Search Results — 2000 specimen records retrieved (1378 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC203223  Abutilon W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Comment
  UC1045288  Acer circinatum W. Bridge Cooke 1940-7-12 15309 Siskiyou in the Box Canyon near Mount Shasta City; near the Sacramento River 914 Comment
  CAS-BOT-BC331043  Acer glabrum var. glabrum Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Shackleford Trail below Bull Meadow Comment
  UC166210  Acer glabrum var. glabrum Geo. D. Butler 1908-8-5 531 Siskiyou camp below Cold Spring (Woolly Creek); Woolly Creek Comment
  RSA181623  Acer glabrum var. torreyi Dorothy Parker 1950-6-4 447 Siskiyou Salmon Mountain 1921 Comment
  SEINET10692762  Acer negundo var. californicum Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 892 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area. T46N R7W, near boundary between sections 7 and 8. 576 Comment
  CAS-BOT-BC18865  Achillea millefolium David D. Keck 1940-6-13 5177 Siskiyou 9 mi. S of Macdoel, on U.S. 97 between Dorris and Weed 1463 Comment
  CDA281  Achillea millefolium Gordon Leppig 1998-8-14 1029 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  CHSC105277  Achillea millefolium Lowell Ahart; John Dittes 2010-7-30 16954 Siskiyou About 30 yards west of the Shasta River, about 50 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UC134225  Achillea millefolium Dr. E. B. Copeland 1903-7-4 3546 Siskiyou Klamathon; Pacific Coast Comment
  UCD128313  Achillea millefolium A. A. Heller 1915-7-18 12127 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC61187  Achillea millefolium Al Hobart Siskiyou El Capitan Comment
  RSA183724  Achillea millefolium Gilbert Muth 1965-7-29 135 Siskiyou On top of Marble Mt. Lookout, Marble Mts. Comment
  RSA416235  Achillea millefolium J. P. Smith 1973-5-5 6527 Siskiyou Scott Bar along the Scott River. Comment
  JEPS84209  Achlys triphylla subsp. triphylla L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6300 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  UCD50460  Achnatherum lemmonii A. A. Beetle; with G. L. Stebbins Jr. 1942-5-31 3412 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  CHSC61554  Achnatherum nelsonii subsp. dorei L. P. Janeway 1983-8-26 606 Siskiyou Siskiyou Mountains; at Poker Flat. 1524 Comment
  JEPS84005  Achnatherum nelsonii subsp. dorei L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6359 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass; e slopes of Red Butte); Red Butte 1900 Comment
  UCD37095  Achnatherum occidentale subsp. californicum Beecher Crampton 1956-8-22 3862 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  UCD51025  Achnatherum occidentale subsp. californicum R. Tofsrud 1948-8-1 s.n. Siskiyou Along road up to Panther Meadow, Mt. Shasta. 1828 Comment
  UC1133185  Achnatherum occidentale subsp. occidentale H. S. Yates 1936-6-21 5827 Siskiyou n base of Wintoon Butte Dunsmuir Quadrangle Comment
  CAS-BOT-BC218015  Achnatherum thurberianum Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC218016  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  CHSC71337  Achnatherum thurberianum Vernon H. Oswald; Lowell Ahart 1998-6-11 9192 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  SEINET6700613 Image available Achyrachaena mollis G. D. Butler 1910-5-8 1312 Siskiyou Near Yreka Comment
  CHSC91343  Acmispon brachycarpus Lowell Ahart; John Dittes 2005-6-9 12014 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC71465  Acmispon micranthus J. P. Smith 1973-5-5 6379 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC853407  Aconitum columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt. Eddy 1828 Comment
  SEINET4176084 Image available Aconitum columbianum Sally Walker 1983-8-24 Siskiyou Beside Pacific Crest Trail, Mt Eddy 3048 Comment
  CAS-BOT-BC391513  Aconitum columbianum subsp. columbianum Alice Eastwood 1922-10-18 11544 Siskiyou Shasta Springs Comment
  HSC69335  Aconitum columbianum subsp. columbianum John Palmer 1980-8-13 771 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  RSA68899  Aconitum columbianum var. columbianum A. E. Culbertson 1943-7-12 58 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC412615  Aconogonon alaskanum John Thomas Howell 1939-8-3 14976 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC412616  Aconogonon alaskanum Doris K. Kildale 1929-8-24 9038 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  CAS-BOT-BC413844  Aconogonon davisiae Alice Eastwood 1921-7-29 10957 Siskiyou Little Mt. Hoffman Comment
  HSC19285  Aconogonon davisiae J. O. Sawyer 1969-7-8 1092 Siskiyou NE slope above Little Duck Lake 2140 Comment
  UC2013022  Aconogonon davisiae Barbara Ertter 1990-7-14 9321 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  HSC77010  Aconogonon phytolaccifolium K. T. Stillman 1976-7-7 164 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  SJSU2559  Aconogonon phytolaccifolium H. L. Buckalew 1962-7-7 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1082 Comment
  SEINET4175530  Aconogonon phytolaccifolium G. D. Butler 1910-7-8 1674 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC391704  Actaea rubra Doris K. Kildale 1928-7-2 5415 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  HSC61851  Actaea rubra Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC1408851  Actaea rubra Frederick W. Oettinger 1968-9-1 635 Siskiyou e. side Abbotts lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1722 Comment
  CAS-BOT-BC110722  Aegilops cylindrica T. C. Fuller 1962-6-12 8970 Siskiyou Little Shasta Road, 1 mile east of Montague. Comment
  OBI4708  Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Ca. 4 mi E of Montague Comment
  RSA31957  Agastache urticifolia A. A. Heller 1938-7-13 15263 Siskiyou Among lava rocks at Bray. Comment
  HSC23616  Ageratina occidentalis J. O. Sawyer 1969-8-1 1663 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA15461  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou Klamath River, 5 mi. below Hamburg. Comment
  UC922276  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1949-7-22 5839 Siskiyou trail to Kings Castle ((top of ridge)); Marble Mountains, Paradise Lake 1920 Comment
  JEPS36379  Agoseris grandiflora var. grandiflora Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou north (along old stage road) Sisson; The Upper Sacramento Comment
  UC165035  Agoseris grandiflora var. grandiflora Geo. D. Butler 1908-8-28 304 Siskiyou field near Oro Fino Comment
  CAS-BOT-BC15335  Agoseris heterophylla Wm. Bridge Cooke 1938-6-24 11069 Siskiyou MacBride Spring 1524 Comment
  JEPS36269  Agoseris heterophylla var. heterophylla Geo. D. Butler 1909-4-26 605 Siskiyou Orofino Comment
  CAS-BOT-BC126982  Agrostis exarata Louis C. Wheeler 1934-7-2 2843 Siskiyou Klamath Forest. Little Smoky Creek. 1280 Comment
  CAS-BOT-BC126992  Agrostis exarata Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House. 822 Comment
  UC1190233  Agrostis exarata Ira L. Wiggins 1955-7-22 13453 Siskiyou 9.5 mi above Cecilville (South Fork Salmon River); South Fork Salmon River 1066 Comment
  UCD37082  Agrostis exarata Beecher Crampton 1956-8-21 3821 Siskiyou Siskiyou County, 0.25 mile northeast of Gumboot Lake. 1828 Comment
  UCD37085  Agrostis exarata Beecher Crampton 1956-8-21 3828 Siskiyou Siskiyou County, 0.5 mile northeast of Gumboot Lake. 1767 Comment
  HSC39909  Agrostis gigantea J. P. Smith, Steve Selva 1970-7-16 4376 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC30454  Agrostis pallens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1160 Siskiyou Marble Mtn. Wilderness Area, above Half-way Spring, on trail from English Lake to Diamond Lake 1951 Comment
  HSC30514  Agrostis pallens Frederick W. Oettinger, R. F. Thorne 1969-8-6 1230 Siskiyou Marble Mtn. Wilderness Area, S of Pine Lake on the face of a steep cliff, between crevices. 1921 Comment
  HSC30520  Agrostis pallens Frederick W. Oettinger 1969-9-3 1623 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow, along trail to Tom Taylor Cabin before it enters woods 2073 Comment
  HSC30557  Agrostis pallens Frederick W. Oettinger 1969-9-2 1587 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2165 Comment
  JEPS104859  Agrostis pallens Dean W. Taylor 1996-7-7 15810 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  RSA237930  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1161 Siskiyou Above Halfway Spring, on trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA239089  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1230 Siskiyou South of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  SEINET5335937  Agrostis pallens G. Butler 1910-7-12 1748 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC462989  Allium bolanderi D E Breedlove 1962-6-10 3302 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp 975 Comment
  CAS-BOT-BC462995  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC462996  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  HSC22090  Allium campanulatum J. O. Sawyer 1969-7-24 1503 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  HSC46211  Allium falcifolium Jennifer Whipple 1976-5-2 900 Siskiyou Scott Valley near Weston Gulch 854 Comment
  RSA367095  Allium falcifolium Christopher Davidson 1975-6-5 2695 Siskiyou 0.5 miles ENE on unnamed dirt road departing to east off highway 3 at Scott Mtn. summit. 1677 Comment
  RSA48580  Allium falcifolium Philip A. Munz 1949-5-18 13304 Siskiyou Divide, south of Callahan on road to Trinity Center. 1524 Comment
  CAS-BOT-BC472981  Allium membranaceum Volney Rattan 1879-6-10 s.n. Siskiyou Klamath Comment
  UCD143202  Allium siskiyouense Sandra L. Holloway 1963-7-14 s.n. Siskiyou ca. 5 miles south and 5 miles west of Weed. 2133 Comment
  CAS-BOT-BC478026  Allium validum Wm. Bridge Cooke 1938-7-15 11253 Siskiyou Wagon camp. Common along the creeks leading from the Wagon Camp springs. Also in the Heather Meadows at Panther and Squaw Creeks. 1737 Comment
  RSA607568  Allotropa virgata Barbara M. Leitner 1996-8-14 96 -002 Siskiyou Medicine Lake Highlands and Adjacent Modoc Plateu. Comment
  SEINET205137  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou Marble Mtn WA ; In vicinity of cabin lower Red Rock Valley 1494 Comment
  SEINET231470  Alnus incana subsp. tenuifolia E. P. Boyle 1946-8-9 45 Siskiyou W Carson Sorensen's 2134 Comment
  UC847420  Alnus incana subsp. tenuifolia A. A. Heller 1916-8-24 12559 Siskiyou near Sisson Comment
  CAS-BOT-BC169649  Alnus rhombifolia Elmer I. Applegate 1923-9-5 3936 Siskiyou Klamath River 12 miles below the Pacific Highway Comment
  UC127628  Alnus rhombifolia Mrs. Kate J. Stirring 1905-2-1 Siskiyou Etna Mills Comment
  CAS-BOT-BC169645  Alnus rhombifolia W. R. Dudley 1899-8-23 s.n. Siskiyou East Fork of Scott Creek Comment
  CAS-BOT-BC169646  Alnus rhombifolia W. R. Dudley 1901-8-26 s.n. Siskiyou By East Fork of Scotts Creek, Salmon Mountains Comment
  HSC4969  Alnus viridis subsp. sinuata J. O. Sawyer 1968-6-18 234 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC69169  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-8-6 2326 Siskiyou Cracker Meadow 1555 Comment
  UC141954  Alnus viridis subsp. sinuata Harley P. Chandler Jun 1901 1618 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  UCD110046  Alnus viridis subsp. sinuata Jack Major 1961-7-14 642 Siskiyou Mud Creek, Mount Shasta. 1706 Comment
  CAS-BOT-BC138103  Alopecurus aequalis var. aequalis Geo. D. Butler 1910-8-13 1837 1/2 Siskiyou Oro Fino Creek. Comment
  UCD114087  Alyssum alyssoides Chandler V. Jensen 1962-5-21 s.n. Siskiyou Yreka. Comment
  HSC27769  Amaranthus blitoides J. P. Smith, J. O. Sawyer 1972-9-14 5797 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  HSC2909  Amaranthus hybridus D. M. Thomson 1965-7-31 157 Siskiyou Lava Beds National Monument, Telephone Line Rd., by dump. Comment
  HSC86362  Amelanchier alnifolia J. O. Sawyer 1983-7-7 4233 Siskiyou Top of Medicine Mtn. 2085 Comment
  HSC25759  Amelanchier alnifolia var. pumila D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19531 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  UC1222323  Amelanchier alnifolia var. semiintegrifolia Joseph P. Tracy 1951-6-16 19503 Siskiyou near State Line (at crossing of Takilma-Happy Camp Road, summit of the Siskiyous); Siskiyous Comment
  CAS-BOT-BC26878  Amelanchier gracilis Amos Arthur Heller 1905-6-5 7970 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  CAS-BOT-BC136878  Amelanchier utahensis A. A. Heller 1927-5-14 s.n. Siskiyou Along the Pacific Highway near Gazelle on the edge of the Shasta Valley Comment
  UC618747  Amelanchier utahensis unknown 1938-8-5 11434 Siskiyou MacBride Spring Road; Mount Shasta Comment
  CHSC91230  Amphiscirpus nevadensis Lowell Ahart; John Dittes 2005-6-9 12025 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 150 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UCD119751  Amsinckia menziesii Jean H. Langenheim 1957-5-19 4348 Siskiyou Intersection of Miner's Creek Road and Tiger Creek Road, boundary SE 1/4. Comment
  HSC3531  Amsinckia tessellata D. M. Thomson 1965-6-12 83 Siskiyou Lava Beds National Monument, Hovey Point Comment
  POM365633  Anemone deltoidea M. B. Dunkle 1944-6-25 9000 Siskiyou Siskiyou National Forest. 1677 Comment
  HSC92641  Anemone drummondii Jennifer Whipple 1976-9-3 1770 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2470 Comment
  HSC4928  Anemone lyallii J. O. Sawyer 1968-7-2 361 Siskiyou Upper drainage of Joe Creek 1677 Comment
  RSA211132  Anemone occidentalis William J. Ferlatte 1967-7-26 754 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  RSA331951  Anemone occidentalis Walter Wisura 1985-7-31 4085 Siskiyou Mt. Shasta, end of Everitt Memorial Hwy, in Rocky Ravin. Comment
  UCD127109  Angelica genuflexa Joseph DiTomaso 1980-8-6 1855 Siskiyou 3 miles south of Grayback Pass. 1158 Comment
  JEPS19765  Angelica tomentosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5941 Siskiyou about 11 mi sw of town of Mount Shasta (between White Ridge and Scott Camp Ridge, along road to Gumboot Lake, in Canyon of South Fork Sacramento River); South Fork Sacramento River 1219 Comment
  HSC71389  Angelica tomentosa J. M. DiTomaso 1980-8-4 1845 Siskiyou Flint Valley, off Gasquet-Orleans Rd. 1390 Comment
  HSC71954  Angelica tomentosa J. M. DiTomaso 1980-8-4 1847 Siskiyou Elk Valley Campground, end of Gasquet-Orleans Rd. 1341 Comment
  HSC148  Antennaria argentea William J. Ferlatte 1966-8-3 265 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC67543  Antennaria argentea J. P. Smith, J. O. Sawyer 1972-6-30 5640 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  RSA416692  Antennaria argentea B. C. Templeton 1960-6-21 8550 Siskiyou Near summit of Scott Mt. Comment
  UC165287  Antennaria argentea Geo. D. Butler 1908-6-29 334 Siskiyou near Oro Fino Comment
  UC454329  Antennaria argentea I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  UCR51806  Antennaria geyeri J. W. Thompson 1936-7-8 13158 Siskiyou Lava Bed National Monument Comment
  CAS-BOT-BC58711  Antennaria geyeri Elmer I. Applegate 1936-7-4 10513 Siskiyou Lava Beds National Monument. Caldwell Butte Crater Comment
  RSA238784  Antennaria rosea Frederick W. Oettinger 1968-8-14 516 Siskiyou Midway between Tom Taylor Cabin and English Peak L. O.; open site is granitic gravel and soil. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2005 Comment
  CAS-BOT-BC102226  Anthemis cotula Alice Eastwood 1912-7-22 1309 Siskiyou Sisson Comment
  HSC61204  Apocynum androsaemifolium Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC65308  Apocynum androsaemifolium J. P. Smith, Steve Selva 1970-7-15 4371 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  JEPS49785  Apocynum androsaemifolium Willis L. Jepson Jul 24 1894-Aug 10 1894 14619 Siskiyou Sisson region of Upper Sacramento, Sisson Comment
  SBBG5685  Apocynum androsaemifolium H. and M. Dearing 1938-6-27 2181 Siskiyou 1 mi W of McCloud Comment
  HSC28654  Apocynum androsaemifolium Frederick W. Oettinger 1968-8-19 583 Siskiyou High Lake Basins, in the vicinity of English Peak Marble Mtn. Wilderness Area, in Crapo Peak along trail between Tom Taylor Cabin and English Peak. 2134 Comment
  RSA24234  Apocynum androsaemifolium subsp. pumilum C. B. Wolf 1940-12-13 3889 Siskiyou Mt. Shasta s lower slopes. 4 mi N of Mt. Shasta City along power line road. 1280 Comment
  CAS-BOT-BC397940  Aquilegia formosa Doris K. Kildale 1929-7-20 8730 Siskiyou Raspberry Lake, upper S Fork of Indian Creek 1828 Comment
  CAS-BOT-BC397942  Aquilegia formosa Doris K. Kildale 1928-7-2 5398 Siskiyou Salmon Summit, Horn Creek Trail 1981 Comment
  HSC729  Aquilegia formosa William J. Ferlatte 1966-8-3 273 Siskiyou Josephine Lake Basin 1677 Comment
  SBBG2098  Aquilegia formosa H. and M. Dearing 1939-7-2 3806 Siskiyou near Salmon 1524 Comment
  CAS-BOT-BC27032  Aquilegia formosa f. anomala John Thomas Howell 1937-7-22 13291 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA0125742  Arabis breweri Frederick W. Oettinger 1968-9-9 806 Siskiyou Ridge near Tobacco Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1966 Comment
  POM256018  Arabis divaricarpa Marion Ownbey, Ruth Ownbey 1938-7-20 1760 Siskiyou 1 mile E of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  HSC6547  Arabis divaricarpa Dorothy Parker 1949-5-28 305 Siskiyou Kidder Creek, Salmon Mtns. Range 915 Comment
  RSA0110968  Arabis microphylla var. microphylla Frederick W. Oettinger 1968-8-10 465 Siskiyou East side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC673130  Arabis modesta Lincoln Constance and Reed C. Rollins 1942-5-13 2915 Siskiyou 10 mi sw Scott Bar; Klamath-Siskiyou Region, Scott River 609 Comment
  JEPS53010  Arabis oregana Joseph P. Tracy 1939-4-29 16267 Siskiyou near Somes Bar (1 mi. above mouth of Salmon R.) 182 Comment
  HSC67751  Arabis platysperma J. O. Sawyer, J. Cole 1980-7-21 3888 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  UC855541  Arabis rectissima var. rectissima A. A. Heller 1916-6-23 12421 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  CDA24663  Arabis sparsiflora F. D. Horn 1976-5-11 Siskiyou Shasta Vista Estates (Sheeprock area), Grenada. 0 Comment
  POM95492  Arabis sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Comment
  HSC39203  Arabis subpinnatifida J. P. Smith 1976-5-22 8785 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  HSC44491  Arabis subpinnatifida K. Irwin 1977-5-21 378 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 Comment
  HSC6571  Arabis subpinnatifida Lincoln Constance, R. C. Rollins 1942-5-14 2923 Siskiyou Road to Walker Post Office, 4 mi. W of Yreka 1220 Comment
  HSC90613  Arabis suffrutescens Jennifer Whipple 1977-7-22 2047 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  UC705588  Arceuthobium campylopodum Marion Ownbey and D. H. Brown 1941-6-22 2425 Siskiyou nw Yreka (w of Craggy Mtn) Comment
  SEINET2471281  Arceuthobium cyanocarpum R. L. Mathiasen 2007-8-9 2007 -34 Siskiyou 2 km NE of Park Creek trail head on forest road 17 1980 Comment
  SEINET10323138  Arceuthobium douglasii L. C. Wheeler 1934-6-25 2783 Siskiyou Siskiyou Mountains, West Fork of Cottonwood Creek 1372 Comment
  CDA6782  Arctium minus Bill Huse 1958-9-6 1214 -58 Siskiyou Meiss Ranch, Macdoel. 0 Comment
  SEINET11989681  Arctostaphylos klamathensis Unknown 1982-1 20804 Siskiyou above uppermost lake above Terrace Lake 1981 Comment
  CAS-BOT-BC39987  Arctostaphylos nevadensis H. P. Bracelin 1931-6-21 459 Siskiyou North side of Mt. Eddy. above Dobkins Lake. 2133 Comment
  HSC30462  Arctostaphylos nevadensis Frederick W. Oettinger 1968-8-2 366 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, .1 mi. S of Diamond Lake 2073 Comment
  HSC4922  Arctostaphylos nevadensis J. O. Sawyer 1968-7-9 421 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC69555  Arctostaphylos nevadensis Maralyn A. Renner 1980-6-26 1291 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS82470  Arctostaphylos nevadensis Gilbert Muth 1966-7-8 372 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  POM367360  Arctostaphylos nevadensis M. B. Dunkle 1944-6-26 9051 Siskiyou Deer Creek. 1829 Comment
  CAS-BOT-BC40023  Arctostaphylos nevadensis W. B. C. 1937-7-28 9162 Siskiyou North Ridge Hudsonian 2743 Comment
  SBBG5452  Arctostaphylos nevadensis subsp. nevadensis H. and M. Dearing 1939-7-2 3800 Siskiyou Etna-Salmon Divide 1828 Comment
  CAS-BOT-BC46458  Arctostaphylos patula John Thomas Howell 1937-7-25 13472 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC46466  Arctostaphylos patula L. E. Smith 1913-4-10 69 Siskiyou Near Sisson. Comment
  CAS-BOT-BC46518  Arctostaphylos patula Doris K. Kildale 1928-8-19 6429 Siskiyou N. lake of Salmon River at Finley Camp. Comment
  CAS-BOT-BC46519  Arctostaphylos patula Doris K. Kildale 1929-7-20 8612 Siskiyou SE. of Preston Peak. 1981 Comment
  OBI36634  Arctostaphylos patula David J. Keil 1983-7-3 17348 Siskiyou Slopes of Mt. Shasta along Memorial hwy Comment
  UC21880  Arctostaphylos patula Harley P. Chandler June, 1901 1600 Siskiyou near Marble Mountain; North Coast Ranges 2286 Comment
  CDA38691  Arctostaphylos patula T. C. Fuller 1962-6-13 8991 Siskiyou Road to Medicine Lake, 3.2 miles north of Bartle. 0 Comment
  SEINET5460632 Image available Arctostaphylos patula Ross C. Clark, Bob Harvey; Chris Harvey 23912 Siskiyou Town of Mt. Shasta Comment
  HSC35841  Arctostaphylos viscida J. O. Sawyer 1969-8-17 2033 Siskiyou SW facing slope near C.C.C. road 1341 Comment
  HSC68579  Arctostaphylos viscida Maralyn A. Renner 1980-6-23 695 Siskiyou Ridge S of Pacific Crest Trail 1463 Comment
  POM131596  Arctostaphylos viscida subsp. viscida Edward L. Greene 1903-7-14 3519 Siskiyou Klamathon. Comment
  UC82981  Arctostaphylos viscida subsp. viscida Dr. E. B. Copeland 1903-7-14 3519 Siskiyou Klamathon Comment
  POM163880  Arenaria congesta var. suffrutescens E. B. Copeland 1903-8-18 3908 Siskiyou Mt. Eddy. 2073 Comment
  RSA47778  Arenaria serpyllifolia Roxana S. Ferris, Laura Lorraine 1948-6-12 11857 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  RSA78690  Arnica cernua Philip A. Munz 1952-7-2 17879 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1493 Comment
  UCD129100  Arnica cernua G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3271 Siskiyou Indian Creek. 17 miles north of Happy Camp. 1249 Comment
  UC1608321  Arnica chamissonis J. Kierstead 1990-8-23 90 -136 Siskiyou small sedge meadow associated with spring feeding Cold Creek; Shasta-Trinity National Forests, McCloud Ranger District 1615 Comment
  UCD129117  Arnica chamissonis Malcolm A. Nobs; Calvin McMillan 1949-6-17 798 Siskiyou Grass Lake, Highway 97. Comment
  CAS-BOT-BC82367  Arnica cordifolia Alice Eastwood; John Thomas Howell 1937-6-26 5037 Siskiyou Salmon Mts. 10 miles sw. of Etna Comment
  HSC46317  Arnica cordifolia Jennifer Whipple 1976-7-9 1403 Siskiyou Mt. Eddy region on Deadfall Mountain 2226 Comment
  RSA237485  Arnica cordifolia Frederick W. Oettinger 1968-9-1 647 Siskiyou SSW of Abbotts Lake, adjacent to Red Fir Forest. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  RSA126299  Arnica discoidea I. L. Wiggins 1955-7-23 13465 Siskiyou Ridge W of China Creek, S side of S fork of Salmon River 1006 Comment
  RSA237228  Arnica discoidea Frederick W. Oettinger 1967-6-28 134 Siskiyou Kelly Gulch (tributary to Salmon River). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  CAS-BOT-BC82665  Arnica latifolia John Thomas Howell 1937-7-26 13552 Siskiyou Caribou Gulch Comment
  RSA237422  Arnica latifolia Frederick W. Oettinger 1967-7-30 220 Siskiyou Near the campsite at the N end of Abbotts lake . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  UC1408756  Arnica longifolia Frederick W. Oettinger 1968-9-1 648 Siskiyou ssw of, at base of precipice Abbott's Lake; Salmon Mountains, English Peak, Marble Mountain Wilderness A 1798 Comment
  CAS-BOT-BC465595  Arnica mollis Julie Kierstead Nelson; Martin Lenz 2015-6-18 2015 -063 Siskiyou Headwaters of West Fork Parks Creek, 2 mi NNE of China Mountain; 7 mi W of town of Weed 2197 Comment
  JEPS84189  Arnica mollis L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6426 Siskiyou ca 5 mi n Seiad Valley (cirque at head of Hell's Canyon); e slope of Kangeroo Mountain, head of Hell's Canyon 1828 Comment
  JEPS82425  Arnica ovata Gilbert Muth 1966-7-31 476 Siskiyou Black Mt. (n side of) Black Mt., Marble Mt. Wilderness Area 2057 Comment
  CAS-BOT-BC85047  Arnica spathulata Volney Rattan 1903-1-1 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC90087  Arnica viscosa Wm. Bridge Cooke 1938-8-18 11501 Siskiyou Horse Camp Slopes, slopes above the Shasta Fir forest 2514 Comment
  JEPS109883  Arnica viscosa Dean W. Taylor 2005-8-18 19467 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek (ca. 12 air miles NE of the summit of Mt. Shasta) 1950 Comment
  UC1475693  Arnica viscosa Muth and Overton 1979-8-12 13687 Siskiyou near Cliff Lake; Scott Bar Quad. 1951 Comment
  RSA184688  Artemisia arbuscula subsp. arbuscula Gilbert Muth 1966-8-7 504 Siskiyou Lookout trail along ridge, Marble Mts. 2058 Comment
  HSC76942  Artemisia borealis subsp. borealis K. T. Stillman 1976-7-9 220 Siskiyou Marble Mountain Wilderness Area 2141 Comment
  SEINET516319  Artemisia cana subsp. bolanderi Vernon H. Oswald 1998-9-16 9628 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Smas Neck Rd. and Hwy. 97 ca. 5 mi N of Macdoel. 1295 Comment
  CHSC71468  Artemisia ludoviciana subsp. incompta Vernon H. Oswald; Lowell Ahart 1998-7-21 9339 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  CAS-BOT-BC90741  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-18 s.n. Siskiyou [Nort] North side of Black Mountain Comment
  HSC76872  Artemisia ludoviciana subsp. ludoviciana K. T. Stillman 1976-9-9 475 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  JEPS37061  Artemisia tridentata W. L. Jepson 1940-6-23 20022 Siskiyou n of Mt. Shasta Andesite sta. 975 Comment
  JEPS94848  Artemisia tridentata subsp. tridentata Vernon H. Oswald and Lowell Ahart 1998-9-16 9629 Siskiyou near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 (ca 5 mi n of Macdoel); Butte Valley National Grassland 1295 Comment
  UCD77361  Artemisia tridentata subsp. vaseyana Robert E. Preston 2001-8-26 1771 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2103 Comment
  CAS-BOT-BC447709  Aruncus dioicus var. vulgaris John Thomas Howell 1939-8-10 15256 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UCR131603  Aruncus vulgaris L. C. Wheeler 1934-8-17 3179 Siskiyou Siskiyou Mtns., north side of White Mtn 1829 Comment
  RSA184750  Aruncus vulgaris Gilbert Muth 1966-8-3 497 Siskiyou Marble Valley Meadow, Marble Mtns. 1793 Comment
  HSC69541  Asarum caudatum Maralyn A. Renner 1980-8-6 2247 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  RSA238015  Asarum caudatum Frederick W. Oettinger 1968-8-14 510 Siskiyou In deep shade of alder thicket approx 100 yards down stream from Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC43267  Asclepias cordifolia K. Irwin 1977-5-22 384 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  UC1170104  Asclepias cordifolia W. Bridge Cooke 1956-7-16 30303 Siskiyou Hotlum Station Mount Shasta Comment
  CDA15398  Asclepias speciosa G. F. Hrusa 1997-9-18 14109 Siskiyou Shasta Valley. 1 mi. S of Gazelle on Old Hwy. 99. Comment
  UC61044  Asclepias speciosa W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  POM129817  Asclepias speciosa Geo. D. Butler 1910-6-8 s.n. Siskiyou Dry land near Yreka Comment
  SEINET10741573  Asclepias speciosa H. E. Brown 1897-7-15 Brown 493 Siskiyou N side of Mt. Shasta Comment
  HSC60013  Asparagus officinalis M. A. Baker 1977-6-27 387 Siskiyou Happy Camp. Comment
  CHSC71559  Aspidotis densa Vernon H. Oswald; Lowell Ahart 1998-8-3 9448 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 1.2 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. 1767 Comment
  POM210962  Aspidotis densa L. C. Wheeler 1934-8-13 3112 Siskiyou East Fork Horse Creek, Siskiyou Mountains 1982 Comment
  RSA237847  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou 50 feet below Diamond Lake at base of sheer cliff. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  SEINET11840759  Aster alpigenus C. G. Pringle 1882-1 1278 Siskiyou Mts. about the head waters of the Sacramento River Comment
  RSA14502  Aster intermedius Elmer I. Applegate 1923-8-21 3918 Siskiyou Willow Creek, south of Lower Klamath Marsh. Comment
  RSA259559  Aster ledophyllus J. P. Smith, J. O. Sawyer 1973-8-14 7318 Siskiyou Hillside west of Cliff Lake 1982 Comment
  RSA44885  Aster ledophyllus J. C. Roos 1948-9-1 3949 Siskiyou Pass southwest of Etna Comment
  RSA582638  Astragalus accidens var. hendersonii Louis C. Wheeler 1936-6-30 3641 Siskiyou 3 mi. S. Grenada, Shasta Valley. 793 Comment
  RSA0007000  Astragalus americanus J. William Thompson, Emily M. Thompson 1938-7-12 338 Siskiyou Vicinity os Upper Hat Creek, base of Marble Mts. 915 Comment
  CAS-BOT-BC178804  Astragalus californicus T. Howell 1889-5-12 s.n. Siskiyou Hornbrook Comment
  CAS-BOT-BC178817  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou Between Igerna and Weed, on banks along the railroad near Weed Comment
  HSC42070  Astragalus californicus Sue Sweet 1977-5-21 70 Siskiyou Junction of Miner's Creek Rd. and Rd. 8, 5.5 mi. W of Callahan on Rd. 8. 1037 Comment
  JEPS54577  Astragalus californicus Geo. D. Butler 1909-4-15 593 Siskiyou Humbug Mountain Comment
  RSA94040  Astragalus californicus R. C. Barneby 1954-5-16 11516 Siskiyou Klamath River canyon 1/2 miles below Hamburg. 457 Comment
  CAS-BOT-BC177864  Astragalus curvicarpus var. curvicarpus A. A. Heller 1905-6-19 8066 Siskiyou Grenada Station Comment
  CAS-BOT-BC186919  Astragalus inversus John Thomas Howell 1934-7-4 12388 Siskiyou SE. corner of Siskiyou Co. Comment
  HSC62472  Astragalus purshii Diane L. Reed 1980-7-1 Siskiyou Mahogany Point just N of F.S. Rd. 45N28. Comment
  UCD105227  Astragalus purshii var. lectulus W. R. Hildreth 1971-8-4 s.n. Siskiyou Summit of Marble Mountain. Comment
  JEPS93850  Astragalus purshii var. purshii Vernon H. Oswald and Lowell Ahart 1998-6-11 9202 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  JEPS54807  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-3 708 Siskiyou Butcher Hill , Butcher Hill (Yreka) Comment
  UC69534 Image available Astragalus purshii var. tinctus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC83869  Astragalus purshii var. tinctus Katharine Brandegee July 1887 Siskiyou near Mt. Shasta (Edgewood); near Mt. Shasta, Edgewood Comment
  CAS-BOT-BC198702  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1952-7-26 12 Siskiyou Cabin Meadow Creek 1981 Comment
  CAS-BOT-BC199150  Astragalus whitneyi var. siskiyouensis W. R. Dudley 1899-8-26 s.n. Siskiyou Slope of Mt. Eddy. Comment
  HSC65311  Asyneuma prenanthoides J. P. Smith, Steve Selva 1970-7-15 4340 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  RSA692501  Athyrium americanum M. B. Dunkle 1945-7-19 9230 Siskiyou Cliff above Sky High Lake Comment
  HSC973  Athyrium distentifolium var. americanum Dorothy Parker 1949-7-10 332 Siskiyou Green Meadow near Paradise Lake, Salmon Mtn. 1982 Comment
  UC42238  Athyrium filix-femina var. cyclosorum Marshall A. Howe 1894-7-25 Siskiyou Sisson Comment
  UC673287  Athysanus pusillus Lincoln Constance, Reed C. Rollins 1942-5-13 2916 Siskiyou Scott River 10 mi sw of Scott Bar; Klamath-Siskiyou Region, Scott River 609 Comment
  CHSC72231  Atriplex heterosperma Vernon H. Oswald; Lowell Ahart 1998-9-16 9649 Siskiyou Tour Route at Lower Klamanth NWR 3 mi south of Hwy. 161. 1243 Comment
  CDA23298  Atriplex patula R. Pederson, G. Pederson 1980-11-9 Siskiyou Lower Klamath National Wildlife Refuge. 0 Comment
  UC725959  Atriplex rosea A. A. Heller 1925-7-25 13902 Siskiyou Shasta Valley near Gazelle; Shasta Valley near Gazelle Comment
  CAS-BOT-BC106544  Balsamorhiza deltoidea J. H. Thomas 1954-5-14 4183 Siskiyou Salmon Muontains, Klamath National Forest. Near South Fork of Salmon river, 5 to 9 miles southeast of Cecilville, 1219 Comment
  CAS-BOT-BC100050  Balsamorhiza hookeri Dorothy Parker 1951-5-20 515 Siskiyou on the summit of Scott Mountain 1624 Comment
  UC1577645  Balsamorhiza lanata W. T. Mooney Apr 1903 Siskiyou Yreka Comment
  HSC86999  Balsamorhiza sagittata Brent Helm, Curtis Miller, Mark Steiger 1988-3-28 34 Siskiyou Mouth of Shasta River on Hwy. 96 Comment
  RSA59494  Balsamorhiza sagittata E. K. Balls 1950-5-17 14718 Siskiyou By New Lava Flow, on rd. to Capt. Jack's Stronghold. Lava Beds Nat'l Monument. 1585 Comment
  JEPS100203  Balsamorhiza sericea Dean W. Taylor 2002-6-10 18121 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  HSC204  Barbarea orthoceras William J. Ferlatte 1967-6-30 591 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  SEINET182272  Beckmannia syzigachne L. C. Wheeler 1935-6-27 3621 Siskiyou Greenview Scott Valley 884 Comment
  HSC26925  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1971-9-18 4848 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC99792  Berberis nervosa G. L. Clifton, Griswold 1979-6-27 6093 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  CAS-BOT-BC76005  Berberis pumila John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53389 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones. 1249 Comment
  UCD127249  Berula erecta T. F. O' Sullivan 1935-9-10 s.n. Siskiyou Dorris. Comment
  UC726782  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy 1524 Comment
  UC796520  Betula occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11823 Siskiyou Plowman's (Noyes) Valley east fork of Scott River drainage, Parker Ranch 1203 Comment
  CAS-BOT-BC227789  Betula occidentalis Elmer I. Applegate 1895-5-28 635 Siskiyou Sacramento River below Sisson Comment
  CAS-BOT-BC102120  Bidens cernua Louis Wheeler 1934-10-21 3337 Siskiyou Shasta Valley 4 mi. E Grenada 868 Comment
  JEPS82690  Boechera Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs; Cabin Meadow 1935 Comment
  RSA0125480  Boechera Geo. D. Butler 1910-7-9 1719 Siskiyou Marble Mountain. 1829 Comment
  CAS-BOT-BC15793  Boechera acutina John Thomas Howell 1939-8-9 15193 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC15794  Boechera acutina Doris K. Kildale 1928-8-20 6623 Siskiyou Hancock Look Out - on trail to Marble Mountain. 2151 Comment
  CAS-BOT-BC16016  Boechera breweri subsp. breweri R. C. Barneby 1954-5-16 11505 Siskiyou Klamath River Canyon 9 miles upstream from Klamath River Post Office. 609 Comment
  CAS-BOT-BC13811  Boechera howellii Reed Rollins 1938-7-28 11373 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  UCD77348  Boechera howellii Robert E. Preston 2001-6-30 1647 b Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  JEPS82521  Boechera lyallii Gilbert Muth 1966-8-3 493 Siskiyou Marble Valley Marble Mountain Wilderness Area 1792 Comment
  UCD77344  Boechera lyallii Robert E. Preston 2002-7-14 1933 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1981 Comment
  CAS-BOT-BC14665  Boechera rectissima Alice Eastwood 1912-7-19 1231 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC25610  Boechera retrofracta John Thomas Howell 1937-7-24 13378 Siskiyou Salmon - Trinity Alps. Caribou Basin. 2286 Comment
  UC165313  Boechera retrofracta Geo. D. Butler 1910-5-10 1331 Siskiyou Goosenest foothills Comment
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Jan 23 2011
  UC166107  Boechera retrofracta Geo. D. Butler 1909-4-18 728 Siskiyou near Yreka Comment
  SEINET5340255  Boechera retrofracta G. Butler 1910-6-5 1505 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC25872  Boechera subpinnatifida Lincoln Constance; Reed Clark Rollins 1942-5-14 2931 Siskiyou Klamath-Siskiyou Region. Shasta River 6 miles north of Yreka. 762 Comment
  POM256467  Boisduvalia densiflora var. densiflora Edward Lee 1934-8-10 1017 Siskiyou Klamath River, south bank between McKinney and Parker house creeks (near Hamburg) 610 Comment
  CAS-BOT-BC418457  Boykinia major W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake Comment
  RSA184648  Boykinia major Clare B. Hardham 1965-8-20 13008 Siskiyou Marble Mtns. Near Cudahy Lakes. Paso Robles. 1524 Comment
  CAS-BOT-BC30273  Brassica nigra Henry M. Pollard 1947-8-22 s.n. Siskiyou North of Somes Bar. Fontana's Fishing Lodge. Comment
  CAS-BOT-BC127717  Brickellia greenei Peter Raven 1956-9-5 10462 Siskiyou North Fork of Sacramento River 1828 Comment
  CAS-BOT-BC482219  Brodiaea coronaria var. coronaria Milo S. Baker 1934-6-24 8110 Siskiyou Along Hiwy in Sacto Canyon near Pollards Gulch 20 mi south of Dunsmuir Comment
  UC1131049  Bromus carinatus var. carinatus H. A. Jensen 1933-9-30 358 Siskiyou Shasta National Forest, Signal Butte Signal Butte; Shasta National Forest, Signal Butte 1341 Comment
  UC164918  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest Foothills Comment
  CAS-BOT-BC148798  Bromus carinatus var. marginatus John Thomas Howell 1939-8-2 14932 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  POM211399  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mts., Cottonwood Creek. 915 Comment
  RSA602810  Bromus diandrus L. C. Wheeler 1934-6-26 2793 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  HSC103020  Bromus hordeaceus J. P. Smith 2014-6-6 13877 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  HSC65265  Bromus hordeaceus J. P. Smith 1973-5-5 6396 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  POM112543  Bromus hordeaceus Geo D. Butler 1910-5-20 1370 Siskiyou Damp land, Yreka Comment
  UCD58799  Bromus hordeaceus Geo. D. Butler 1909-5-26 819 Siskiyou Field near Yreka. Comment
  CHSC88408  Bromus japonicus Jenny Marr 1993-7-1 167 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC593531  Bromus laevipes E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1907 Siskiyou about 7 mi sw of Yreka (s of highway from Yreka to Fort Jones, Forest House Mountain); Forest House Mountain 1371 Comment
  POM204679  Bromus marginatus Copeland 1903-09 3790 Siskiyou Mt. Eddy, California 1585 Comment
  HSC42950  Bromus orcuttianus J. O. Sawyer, Ken Stillman 1976-7-1 2776 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA239078  Bromus orcuttianus Frederick W. Oettinger 1969-8-3 1140 Siskiyou Above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1265365  Bromus orcuttianus F. W. Oettinger 1969-8-16 1392 Siskiyou near English Lake (Salmon Mountains, w Siskiyou County); Salmon Mountains 1706 Comment
  UCD59249  Bromus orcuttianus A. A. Heller 1915-7-18 12124 Siskiyou Metcalf's ranch, base of Mt. Eddy. Comment
  CAS-BOT-BC162130  Bromus orcuttianus Ira L. Wiggins 1955-7-24 13497 Siskiyou Along ridge between upper reaches of China and Blind Horse Creeks, south side of South Fork of Salmon River. 1645 Comment
  CAS-BOT-BC161705  Bromus rubens L. R. Short 1933-5-31 80 Siskiyou Klamath Forest. Cougar Gulch. 914 Comment
  CAS-BOT-BC161706  Bromus rubens Dorothy Parker 1951-5-23 517 Siskiyou McConahahy Gulch, Scott Valley. 914 Comment
  UCD59704  Bromus sterilis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3389 Siskiyou At Weed near habitations. Comment
  JEPS80526  Bromus suksdorfii Gilbert Muth 1966-7-17 409 Siskiyou Marble Mountain Wilderness Area, Trail to Lookout, Alpine fells field area Marble Mountain Wilderness Area 2042 Comment
  CAS-BOT-BC185591  Bromus tectorum Doris K. Kildale 1928-7-25 5905 Siskiyou Klamath River. Mack's Creek near Hamburg. Comment
  NY664638  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188.7 Comment
  UC164920  Bromus tectorum George D. Butler 1909-8-16 860 Siskiyou near Yreka Comment
  RSA715633  Bromus tectorum var. glabratus L. Ahart, John Dittes 2005-6-9 12010 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  HSC69271  Bromus vulgaris Maralyn A. Renner 1980-7-24 1996 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC91979  Calamagrostis breweri Jennifer Whipple 1977-8-5 2183 Siskiyou Slopes near Little Crater Lake 2195 Comment
  HSC30590  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger 1969-8-16 1404 Siskiyou Marble Mtn. Wilderness Area, Wire Grass Meadow, English Lake Meadow 1677 Comment
  HSC67716  Calamagrostis canadensis var. langsdorffii John S. Palmer 1980-7-24 616 Siskiyou Elk Hole 1503 Comment
  HSC69034  Calamagrostis koelerioides Maralyn A. Renner 1980-7-28 2156 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC28744  Callitriche heterophylla var. heterophylla Frederick W. Oettinger 1969-8-15 1388 Siskiyou Marble Mtn. Wilderness Area, inlet of Upper English Lake 1768 Comment
  POM215868  Callitriche verna L. C. Wheeler 1935-6-13 3568 -1/2 Siskiyou Greenview, Scott Valley. 884 Comment
  CAS-BOT-BC85727  Calocedrus decurrens Doris K. Kildale 1929-8-24 9057 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  CAS-BOT-BC85747  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow, Marble Mts. 1792 Comment
  HSC69737  Calocedrus decurrens Maralyn A. Renner 1980-6-26 1280 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS77503  Calocedrus decurrens L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-17 4871 Siskiyou near Gazelle; near Gazelle 914 Comment
  UC1282007  Calochortus nudus Louise Kellogg Aug 5 1953-Aug 7 1953 102 Siskiyou 1 mi n Cory Peak, Klamath National Forest (11 mi e of Callahan on road to Gazelle, then 5.8 mi s on logging road); Scott Mountains, Cabin Meadow 1844 Comment
  SEINET8263376  Calochortus nudus Frank Callahan 1994-8-15 Siskiyou SE of Bartle both sides of Hwy 89. 1494 Comment
  SEINET8253677  Calochortus persistens Frank Callahan, John Erwin 2007-6-17 Siskiyou Cottonwood Peak northeast flank. Comment
  JEPS82681  Caltha biflora Wayne Roderick 1984-6-7 Siskiyou North side of Mt. Eddy road 17. 1676 Comment
  POM97903  Caltha howellii Geo. D. Butler 1910-6-5 1509 Siskiyou Shackleford Creek Comment
  HSC4945  Caltha leptosepala J. O. Sawyer 1968-7-9 433 Siskiyou W of Little Duck Lake. 1936 Comment
  SJSU6533  Caltha leptosepala R. W. Trivelpiece 1973-6-21 150 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  UCD95573  Caltha leptosepala John M. Tucker; D. V. Hemphill 1974-7-27 4308 Siskiyou Beside Haypress Creek, a short distance downstream from Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC181499  Caltha leptosepala Lillian Mott 1976-7-9 48 LM76 Siskiyou Meadow below north slope of Lily Pad Lake ca. 7 mi. west of Cook and Green Pass 2011 Comment
  UC562934  Calycadenia fremontii Elmer I. Applegate 1923-9-10 3983 Siskiyou mouth of Salmon River Klamath River, Salmon River Comment
  CAS-BOT-BC272743  Calycadenia truncata subsp. truncata Geo. D. Butler 1908-8-29 320 Siskiyou E. of Oro Fino Comment
  HSC45198  Calypso bulbosa J. O. Sawyer, E. Cope 1977-6-21 2983 Siskiyou Near Prescott Peak 1677 Comment
  POM107555  Calypso bulbosa Geo D. Butler 1910-6-5 1512 Siskiyou Shackleford Creek Comment
  HSC64931  Calyptridium monospermum D. L. Goforth 1979-7-7 233 Siskiyou Klamath National Forest, near Deer Camp 1860 Comment
  JEPS52507  Calyptridium umbellatum Geo. D. Butler 1908-8-3 207 Siskiyou near Log Lake (Shackelford Creek); Shackelford Creek 1524 Comment
  HSC646  Calystegia malacophylla William J. Ferlatte Jul 1967 616 Siskiyou Along the Yellow Rose Mine Trail 1677 Comment
  OBI55473  Camassia quamash David J. Keil, Kathleen Keil 1992-7-21 23533 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd 9hwy 3) Comment
  UC163724  Camassia quamash subsp. breviflora Geo. D. Butler 1909-6-22 890 Siskiyou 2 mi ne of Mount Shasta (Goosenest Foothills); Goosenest Foothills Comment
  CAS-BOT-BC37000  Camelina microcarpa Carl B. Wolf 1934-7-6 5977 Siskiyou Southwest slope of Mount Shasta. 0.25 mile east of Mount Shasta City. 1097 Comment
  UC164338  Camissonia contorta Geo. D. Butler 1909-4-26 615 Siskiyou Oro Fino Comment
  HSC64498  Camissonia tanacetifolia J. P. Smith, Steve Selva 1970-8-9 4586 Siskiyou By Grass Lake Comment
  CAS-BOT-BC160905  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1923-8-19 3893 Siskiyou West side of Medicine Lake Comment
  CAS-BOT-BC160906  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1935-6-2 9285 Siskiyou Frenner's ranch, old road to the Lava Beds, near National Monument Comment
  CAS-BOT-BC160909  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1922-7-15 13714 Siskiyou Along the shore of Medicine Lake 2133 Comment
  RSA186581  Camissonia tanacetifolia subsp. tanacetifolia D. Bates 1960-6-13 2436 Siskiyou Route 97 at Grass Lake Comment
  RSA68916  Campanula prenanthoides A. E. Culbertson 1943-8-1 42 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  SD53389  Campanula prenanthoides Darley F. Howe 1962-8-4 3388 Siskiyou Baldy Mountain. Comment
  SEINET10463097  Campanula prenanthoides Muth 1979-8-10 MUTH 13329 Siskiyou Near Little Mill Creek, on the Etna quadrangle; close to the town of Callahan, granitic 1707 Comment
  UC164334  Campanula prenanthoides Geo. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain 1219 Comment
  SEINET10463108  Campanula prenanthoides Kelsey Kelsey s.n. Siskiyou MARBLE MTNS, SKYHIGH LAKE Comment
  SEINET10463161  Campanula prenanthoides Cyrus G. Pringle 1881-8-16 Pringle s.n. Siskiyou Comment
  SEINET8037769  Campanula prenanthoides G. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain. 1219 Comment
  HSC76899  Campanula rotundifolia K. T. Stillman 1976-8-7 385 Siskiyou Marble Mountain Wilderness Area Comment
  CAS-BOT-BC266451  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy Comment
  UC890576  Campanula scouleri L. E. Smith 1913-7-12 480 Siskiyou Mt. Eddy Comment
  SEINET10463781  Campanula scouleri Sawyer 1978-7-6 SAWYER 3348 Siskiyou Preston Peak quadrangle; along Happy Camp-O'Brien road above Louse Creek Comment
  SEINET10463783  Campanula scouleri Setchell 1902-7-12 SETCHELL s.n. Siskiyou Mount Shasta; Sisson Comment
  UC705614  Campanula scouleri Marion Ownbey and Fred G. Meyer 1940-7-8 2226 Siskiyou 18 mi n Happy Camp (stream bank near summit of Siskiyou Mountains) Comment
  RSA211342  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  SEINET10463871  Campanula wilkinsiana Renner 1980-8-21 RENNER 2538 Siskiyou Coffee Creek Quadrangle; south corner boundry, Kidd Creek, streamside. T37N R9W Sec. 32-33 2042 Comment
  SEINET10463873  Campanula wilkinsiana A. Arthur Heller 1920-8-12 Heller 13518 Siskiyou WET SOIL AT SPRING ABOVE HORSE CAMP, MT SHASTA Comment
  CAS-BOT-BC37231  Cardamine bellidifolia Reed Rollins 1938-7-21 11306 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek 2743 Comment
  JEPS53313  Cardamine breweri Milo S. Baker 1899-7-31 Siskiyou Ash Creek above Warren and Anderson's Mill (on McCloud River near Bartles, e slope Mount Shasta); e slope Mt. Shasta, Ash Creek, McCloud River Comment
  UC1173731  Cardamine californica Joseph P. Tracy 1939-4-29 16270 Siskiyou Rock bluff on s side 1 mi about mouth Salmon River (Somes Bar); Rock Bluff on s side Salmon River, Somes Bar 182 Comment
  JEPS96809  Cardamine nuttallii var. covilleana Dean W. Taylor 1999-6-10 17252 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek Comment
  CAS-BOT-BC38118  Cardamine pensylvanica Alice Eastwood 1923-5-22 11889 Siskiyou Sissons. Comment
  CDA38722  Carduus acanthoides Tanya Chapple 2012-7-26 PDR# 470 P06027587 Siskiyou Dillon watershed, west of Dillon Mountain. Comment
  CAS-BOT-BC18392  Carex Elmer I. Applegate 1923-8-17 3836 Siskiyou Medicine Lake. Comment
  RSA550450  Carex abrupta R. Tallent 1987-8-16 942 Siskiyou Panther Meadows Trailhead area. Mt. Shasta area. 2220 Comment
  HSC73340  Carex amplifolia Gail Newton 1980-6-20 466 Siskiyou Near Bald Mtn. 1097 Comment
  HSC463  Carex aquatilis William J. Ferlatte 1966-8-3 278 Siskiyou Josephine Lake basin. 1677 Comment
  CHSC55553  Carex aquatilis var. dives L. P. Janeway 1983-8-16 560 Siskiyou At Poker Flat. 1524 Comment
  UCD140122  Carex atherodes Peter F. Zika 2010-7-21 25197 Siskiyou Grass Lake. On north side of Route 97, 0.4 road miles ENE of Grass Lake Rest Area. 1540 Comment
  CAS-BOT-BC18134  Carex athrostachya Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Trinity Mountains. Gumboot Lake. 1828 Comment
  UCD140145  Carex athrostachya William E. Moon 1958-5-29 s.n. Siskiyou Vernal pond, State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  JEPS63754  Carex barbarae W. L. Jepson Jul 1894 57 a Siskiyou Sisson Comment
  CAS-BOT-BC19563  Carex bolanderi Elmer I. Applegate 1895-5-28 786 Siskiyou Sisson, Strawberry Valley. Comment
  CAS-BOT-BC19650  Carex brainerdii Alice Eastwood 1923-5-18 11852 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC19661  Carex brainerdii R. E. Frenkel 1964-7-15 698 Siskiyou On Everitt Memorial Highway near Mount Shasta, 4.7 miles north of McCloud River RR crossing. 1545 Comment
  JEPS25937  Carex brainerdii B. C. Goldsmith 1916-7-28 10 Siskiyou 20 mi n Bartles Comment
  HSC41809  Carex breweri Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  JEPS25573  Carex breweri Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7198 Siskiyou near head of ski lift above Mount Shasta Ski Bowl Lodge; southwestern slopes of Mount Shasta 2834 Comment
  UC672  Carex breweri W. H. Brewer 1862-9-13 1391 Siskiyou Mt. Shasta; ; Mt. Shasta 2743 Comment
  HSC85830  Carex echinata subsp. echinata L. P. Janeway 1983-7-31 473 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  SEINET3900972  Carex eurycarpa L. E. Detling 1959-6-8 8227 Siskiyou Scott River near Kelsey Creek Guard Station.; 0 671 Comment
  CAS-BOT-BC20130  Carex feta H. A. Thomas; J. H. Thomas 1954-7-21 4417 Siskiyou Salmon-Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  CAS-BOT-BC20745  Carex fracta William Bridge Cooke 1938-8-19 11524 Siskiyou Mt. Shasta. Lower Bear Spring. 1524 Comment
  CAS-BOT-BC20468  Carex halliana Dean William Taylor; Glenn L. Clifton; R. Doug Stone 1987-8-6 9248 Siskiyou Extreme NE portion of county. Medicine Lake. About 300 NW of USFS guard station on road to Little Mt. Hoffman. 2039 Comment
  CAS-BOT-BC20469  Carex halliana Alice Eastwood 1921-7-28 10943 Siskiyou Medicine Lake. Comment
  HSC76387  Carex hassei L. P. Janeway 1982-7-2 32 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  SEINET7561745 Image available Carex hoodii L. P. Janeway 2006-7-1 8720 Siskiyou Deadman Peak 7.5' quad. Klamath Ranges. Salmon Mountains, just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  HSC76795  Carex hoodii L. P. Janeway 1982-7-2 35 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  CHSC86243  Carex inops subsp. inops Martin J. Lenz 2003-6-9 18 Siskiyou 0.3 mi. up 100R1 logging road from Tom Young Rd. approx. 1 mi. WNW of Pondosa. UTM: Zone 10 608838N 4562152N. 1255 Comment
  UC1755300  Carex inops subsp. inops Dean W. Taylor 2005-7-14 19406 Siskiyou Mount Shasta: Bear Spring, Big Canyon Creek drainage. 1533 Comment
  CHSC95997  Carex integra L. P. Janeway 2006-7-4 8790 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  CHSC98564  Carex integra Thomas W. Nelson; Jane P. Nelson 1984-7-28 7715 Siskiyou Bog along west side of Gumboot Lake in woods. 1859 Comment
  HSC97429  Carex integra Jennifer Whipple 1977-7-21 2013 Siskiyou Near Durney Lake 2073 Comment
  HSC76792  Carex integra L. P. Janeway 1982-8-13 126 Siskiyou 1 m from N edge of Bear Lake 1814 Comment
  SEINET3902483  Carex jepsonii D. H. Norris, T. Nelson; Steve Dowty 1971-7-23 19530 Siskiyou Along State Route 89 at Snowman's Hill Summit about 3 miles east of McCloud, CA.; 0 Comment
  UC1152060  Carex jonesii Joseph P. Tracy 1950-7-20 19205 Siskiyou about 5 mi se Elk Valley; Flint Valley 1432 Comment
  CAS-BOT-BC7576  Carex laeviculmis John Thomas Howell 1939-8-3 14964 Siskiyou Spirit Lake, marble Mountains. 1828 Comment
  CHSC95090  Carex laeviculmis L. P. Janeway 2006-7-2 8743 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61, at alder-shaded creek on steep north-facing slope. Along seepy road side-drainage to the creek. 1554 Comment
  CAS-BOT-BC31304  Carex lenticularis var. impressa W. R. Dudley 1901-8-18 s.n. Siskiyou Jacksons Lake. Comment
  JEPS109242  Carex lenticularis var. lipocarpa D. W. Taylor 2005-8-18 19481 Siskiyou Dry Creek Peak, cirque on N-face at headwaters of Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  HSC69564  Carex leptopoda Maralyn A. Renner 1980-8-6 2273 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CHSC40171  Carex luzulina Lawrence Janeway 1982-7-2 34 Siskiyou At Poker Flat, at end of rd 18N33. Upper part of meadow. 1524 Comment
  RSA237258  Carex luzulina var. ablata Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1291 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC29631  Carex mertensii Frederick W. Oettinger 1969-8-6 1233 Siskiyou Marble Mtn. Wilderness Area, NW of Pine Lake 1883 Comment
  RSA237317  Carex mertensii Frederick W. Oettinger 1969-9-4 1650 Siskiyou Tobacco Lake Meadow. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC32002  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC32012  Carex multicaulis M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on S Fork of Salmon River. 1524 Comment
  HSC86630  Carex multicaulis D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1982 Comment
  JEPS63686  Carex multicaulis Geo. D. Butler 1909-5-30 856 Siskiyou Humbug Mountain Comment
  SEINET13390526  Carex multicaulis P. F. Zika 2012-5-18 25888 Siskiyou Klamath Range (KR), near Dunsmuir Avenue, S end of town of Dunsmuir, 3.6 air km SE of Mount Bradley 730 Comment
  RSA364654  Carex multicaulis J. P. Smith 1973-5-5 6395 Siskiyou In and around the O Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC23422  Carex multicostata John Thomas Howell 1937-7-21 13199 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC32221  Carex multicostata B. Clear 1938-7-13 s.n. Siskiyou Manzanita Lake. Comment
  RSA233692  Carex nigricans Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38950 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  CAS-BOT-BC119474  Carex nudata L. B. Kildale 1930-5-31 9808 Siskiyou Island in Klamath River near Hornbrook. Comment
  SEINET4290229 Image available Carex pachycarpa Unknown 2008-1 9502 Siskiyou Klamath Ranges; Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass, 0.4 km southeast of Red Butte. Comment
  UC1265432  Carex pachycarpa Frederick W. Oettinger 1968-8-8 450 Siskiyou Crapo Meadow Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  UC1265429  Carex pachystachya Frederick W. Oettinger 1968-8-10 458 Siskiyou trail from Base Camp Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1973 Comment
  CAS-BOT-BC119128  Carex phaeocephala William Bridge Cooke 1940-7-26 15386 Siskiyou On west side of Shastina. Mount Shasta. 2743 Comment
  LA17779  Carex phaeocephala J. W. Stacey; 1939-7-26 13756 Siskiyou Mount Shasta, along the Summit Trail in the vicinity of Lake Helen 3047 Comment
  CAS-BOT-BC118573  Carex praegracilis Alice Eastwood; John Thomas Howell 1936-6-13 2748 Siskiyou 6 miles N of Weed Comment
  RSA577425  Carex praegracilis L. C. Wheeler 1935-6-30 3631 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC118777  Carex preslii John Thomas Howell 1939-8-2 14907 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC834792  Carex raynoldsii A. A. Heller 1922-7-15 13701 Siskiyou Medicine Lake 2133 Comment
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Jan 18 2008
  HSC61816  Carex rostrata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC62623  Carex rostrata Al Hobart 1968-6-13 Siskiyou Youngs Valley Comment
  HSC76826  Carex scabriuscula L. P. Janeway 1982-8-14 134 Siskiyou Just E of Elk Wallow 1646 Comment
  HSC91264  Carex scopulorum Jennifer Whipple 1977-8-6 2213 Siskiyou Mt. Eddy, SW of Dobkins Lake along drainage into the lake 2195 Comment
  RSA238968  Carex scopulorum Frederick W. Oettinger 1968-9-5 710 Siskiyou At south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2072 Comment
  CAS-BOT-BC118223  Carex scopulorum var. bracteosa J. W. Stacey 1939-7-7 13616 Siskiyou In the Wagon Camp Sedge Swamp. 1737 Comment
  CDA33142  Carex scopulorum var. bracteosa Gordon Leppig, Jennifer Kalt 1996-7-9 388 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque west of Little Duck Lake. Comment
  SEINET10751138  Carex scopulorum var. bracteosa A. Arthur Heller 1922-7-3 Heller 13673 Siskiyou Wet soil along Wagon creek, Mt. Eddy, in the Canadian zone. 2195 Comment
  CDA33145  Carex senta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2769 Siskiyou 2 miles (3.2 km) east of Callahan, at Hwy 3 bridge over East Fork Scott River. Comment
  CHSC98362  Carex serratodens Thomas W. Nelson; Jane P. Nelson 1982-7-30 7322 Siskiyou North Coast Ranges. Along Forest Service road 41N08 to Kangaroo Lake at bridge over Rock Fence Creek. 1584 Comment
  CAS-BOT-BC117245  Carex spectabilis Paul Clifford Hutchison 1962-8-2 931 Siskiyou Mt. Shasta between Panther Meadow and top of ski lift. 2743 Comment
  CAS-BOT-BC117246  Carex spectabilis Annie M. Alexander; Louise Kellogg 1949-7-28 5886 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  CAS-BOT-BC117249  Carex spectabilis John Thomas Howell 1937-7-25 13475 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117257  Carex spectabilis John Thomas Howell 1939-8-9 15232 Siskiyou Ridge South of Marble Valley, Marble Mts. Comment
  HSC39288  Carex spectabilis J. O. Sawyer 1969-8-4 1817 Siskiyou Above Sugar Lake 2134 Comment
  HSC39298  Carex spectabilis J. O. Sawyer 1969-7-24 1494 Siskiyou SW of Sugar Lake 1890 Comment
  JEPS84068  Carex spectabilis L. R. Heckard with J. Hickman et al. 1986-7-17 6527 Siskiyou above and s Alex Hole (n of Hwy. 96); Buckhorn Campground Comment
  UC642543  Carex spectabilis J. W. Stacey 1939-7-26 13748 Siskiyou in west boreal spring above Panther Creek Meadows; Mount Shasta Comment
  UC1265477  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou slope se Abbotts Lake; Salmon Mountains, Marble Mountain Wilderness Area 1722 Comment
  CAS-BOT-BC115859  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  CAS-BOT-BC115847  Carex subfusca William Bridge Cooke 1940-7-5 15289 Siskiyou In the sedge swamp at Wagon Camp. 1737 Comment
  CAS-BOT-BC115855  Carex subfusca Louis C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Cr. 1280 Comment
  CAS-BOT-BC115856  Carex subfusca Louis C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Cr. 1280 Comment
  UC835109  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  HSC29628  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1967-7-8 163 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, near Big Blue Lake 2104 Comment
  HSC30458  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1969-7-28 1083 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, Little Hancock Lake 2043 Comment
  HSC19026  Castilleja applegatei subsp. pinetorum J. O. Sawyer 1969-7-9 1202 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  JEPS23769  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6826 Siskiyou just n and below Scott Mountain road summit; Scott Mountain 1615 Comment
  JEPS6838  Castilleja applegatei subsp. pinetorum H. A. Thomas and J. H. Thomas 1954-7-25 4540 Siskiyou about 8 mi e Cecilville (along Rush Creek, below Rush Creek Meadow); Salmon-Trinity Mts. Boundary, Rush Creek 1676 Comment
  JEPS8024  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Lincoln Constance, Joe Tracy et al. 1951-7-16 3452 Siskiyou along trail ascending Little Grayback from summit of the Takilma-happy Camp road; Little Grayback 1706 Comment
  RSA749205  Castilleja applegatei subsp. pinetorum K. M. Meyer, A. Townesmith 2007-8-2 182 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  UC1374840  Castilleja applegatei subsp. pinetorum Noel H. Holmgren and Liew Fah Seong 1969-6-25 3616 Siskiyou 23 mi e McCloud (Calif Hwy 89, 1.3 mi from Shasta County line) Comment
  UC585187  Castilleja applegatei subsp. pinetorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1988 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge, above Sulloway Creek); Rainbow Ridge 1188 Comment
  RSA211406  Castilleja arachnoidea William J. Ferlatte 1967-8-20 1040 Siskiyou Caribou Mountain. 2470 Comment
  RSA80047  Castilleja arachnoidea subsp. schizotricha J. T. Howell 1939-8-4 15043 Siskiyou Marble Rim, Marble Mts 1890 Comment
  JEPS4511  Castilleja lacera Geo. D. Butler 1909-5-8 715 Siskiyou near Yreka; Butcher Hill Comment
  CAS-BOT-BC254101  Castilleja miniata John Thomas Howell 1937-7-22 13293 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CDA33294  Castilleja miniata T. C. Fuller 1974-9-24 20044 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  RSA504754  Castilleja miniata Leg A Meebold 1935-07 19774 Siskiyou Mt. Shasta (city). Comment
  JEPS82455  Castilleja pruinosa Gilbert Muth 1966-7-14 394 B Siskiyou s of Marble Valley (Marble); Marble Mt. Wilderness Area 1792 Comment
  UC163703  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mountain 1066 Comment
  UC164321  Castilleja pruinosa Geo. D. Butler 1910-5-23 1387 Siskiyou Humbug Mountain Comment
  UC164433  Castilleja pruinosa Geo. D. Butler 1919-5-10 1329 Siskiyou Goosenest foothills Goosenest 1524 Comment
  POM42526  Castilleja pruinosa Geo. D. Butler 1910-5-1 1255 Siskiyou Near Yreka. Comment
  RSA428399  Castilleja pruinosa M. B. Dunkle 1944-7-18 9132 Siskiyou Siskiyou National Forest. Comment
  JEPS93846  Castilleja tenuis Vernon H. Oswald and Lowell Ahart 1998-6-11 9207 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  HSC59640  Ceanothus cuneatus J. P. Smith 1973-5-5 6524 Siskiyou Scott Bar along the Scott River Comment
  POM126427  Ceanothus cuneatus A. M. Alexander, Louise Kellogg 1911-6-13 140 Siskiyou 6 miles northwest Callahan. Comment
  POM332457  Ceanothus cuneatus J. P. Smith 1973-5-5 6524 Siskiyou Scott Bar along the Scott River. Comment
  CAS-BOT-BC50248  Ceanothus integerrimus H. A. Thomas; J. H. Thomas 1954-7-22 4446 Siskiyou Salmon - Trinity mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks 975 Comment
  CAS-BOT-BC50249  Ceanothus integerrimus D. E. Breedlove 1962-6-10 3306 Siskiyou on steep east bank of Indian Creek, along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  UC164401  Ceanothus integerrimus Geo. D. Butler 1909-5-31 769 Siskiyou Humbug Mountain Comment
  UC375368  Ceanothus integerrimus Geo. D. Butler Jun 22 1908-Jul 12 1908 411 Siskiyou Humphrey Mountain Comment
  CAS-BOT-BC53081  Ceanothus prostratus W. C. Blasdale 1894-7-31 s.n. Siskiyou Sissons Comment
  UC909375  Ceanothus pumilus Ira L. Wiggins 1950-5-28 12365 Siskiyou ca 1.5 mi e Scott Mountain Road; margins of Carmen Lake, e of Scott Mountain Road 1737 Comment
  CAS-BOT-BC53027  Ceanothus sanguineus Louis C. Wheeler 1934-6-23 2774 Siskiyou Klamath Forest - Sterling Mine, Bullion Mt. - Mt. Diablo Mer. 1280 Comment
  JEPS42293  Ceanothus sanguineus Duncan Dunning 1922-6-5 Siskiyou Moffitt Creek 1066 Comment
  JEPS74494  Ceanothus velutinus W. J. Ferlatte 1966-6-23 148 Siskiyou Big Flat Trinity Alps (near a public camp) 1524 Comment
Read comments
May 9 2008
  UC163728  Ceanothus velutinus Geo. D. Butler 1909-6-22 904 Siskiyou foothills Goosenest Mountain; foothills of Goosenest Mountain Comment
  UCD14430  Centaurea cyanus R. M. Rhode 1984-5-26 s.n. Siskiyou downtown Weed, at the intersection of Highway 97 and Business 5; 1056 Comment
  CDA18039  Centaurea melitensis P. Brucker 1999-7-19 PDR 977259 Siskiyou US Forest Service, Forks of Salmon Ranger Station, Fork of Salmon. 0 Comment
  CAS-BOT-BC281204  Centaurea stoebe subsp. micranthos T. C. Fuller 1967-8-15 16263 Siskiyou N side of Highway 97 (Weed to Macdoel), W of RR spur at Grass Lake Comment
  SEINET10741260 Image available Centaurium namophilum var. nevadense Edward L. Greene 1876-8-12 Greene 895 Siskiyou Collected near Yreka. Comment
  HSC2261  Centromadia fitchii Geo. D. Butler 1910-7-31 1805 Siskiyou Near Yreka Comment
  UC1229866  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou Little Shasta Rd 5 mi e Montague (B. M. Long prop.) Comment
  UC1777715  Cerastium dichotomum J. Di Tomaso 2002-5-17 Siskiyou 8 mi NE of Montague (York Rd, 3 m E of intersection with Mulloy Rd) Comment
  UC375269  Ceratophyllum demersum Geo. D. Butler 1910-8-21 1852 Siskiyou Shasta River Comment
  CAS-BOT-BC135448  Cercocarpus betuloides var. betuloides Alice Eastwood; John Thomas Howell 1934-4-20 1746 Siskiyou Near Yreka on Ft. Jones Road Comment
  RSA45332  Cercocarpus ledifolius Dorothy Parker 1947-4-5 166 Siskiyou Plowman's Valley. 1220 Comment
  LA203125  Chaenactis douglasii var. douglasii Louis Wheeler; 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mts 1280 Comment
  HSC5257  Chaenactis douglasii var. douglasii R. C. Wunner 1965-7-9 365 Siskiyou California Lava Beds National Monument; Start of trail to Black Crater 1341 Comment
  UC229957  Chaenactis suffrutescens H. E. Brown Jun 11 1897-Jun 16 1897 411 Siskiyou n side Mt. Shasta 1524 Comment
  CAS-BOT-BC141588  Chamaebatiaria millefolium John Thomas Howell 1934-7-4 12399 Siskiyou Se. corner of Siskiyou Co. Comment
  SEINET10483290  Chamaebatiaria millefolium Mary Susan Taylor 1980-8-19 Taylor 3267 B Siskiyou T43N R1E nw sec 19, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice/ obsidian outcrops, SE side of Little Glass Mountain. With J. Prouty & E. Heinz. 1951 Comment
  RSA142662  Chamaecyparis nootkatensis Al Hobart 1961-7-13 5 Siskiyou Mt. Preston 2134 Comment
  CAS-BOT-BC80491  Chamaecyparis nootkatensis Oliver V. Matthews 1939-6-7 12 Siskiyou above Frog Lake, N.W. Siskiyou Co. 152 Comment
  UC54566  Chamaesaracha nana H. M. Hall and E. B. Babcock Jun 1903 4041 Siskiyou Sisson; Sierra Nevada Mountains, Mount Shasta 1066 Comment
  POM138054  Chamaesyce serpillifolia M. S. Baker 1897-08 147 Siskiyou On road to Medicine Lake. Comment
  RSA432491B  Chamaesyce serpillifolia W. Bridge Cooke 1939-7-7 13578 Siskiyou Wagon Camp Road at Howard. Also seen commonly along the old MacBride Spring Road. Comment
  RSA499041  Chamaesyce serpillifolia L. C. Wheeler 1934-9-20 3289 Siskiyou Lumgrey Creek. 671 Comment
  RSA572328  Chamaesyce serpillifolia W. Bridge Cooke 1940-7-12 15332 Siskiyou Along the Memorial Highway. 1372 Comment
  JEPS52331  Chamaesyce serpyllifolia Geo. D. Butler 1908-8-15 71 Siskiyou near Yreka; McNulty Ranch Comment
  UC1034062  Chamaesyce serpyllifolia W. Bridge Cooke 1941-9-5 16258 Siskiyou along Memorial Hwy; Mount Shasta 1371 Comment
  UC375364  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-14 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC160569  Chamerion angustifolium Gilbert Muth 1965-8-12 s.n. Siskiyou 2/3 up meadow on back of Blk. Mt. 2133 Comment
  CAS-BOT-BC166092  Chamerion angustifolium subsp. circumvagum Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  JEPS82482  Chamerion latifolium Gilbert Muth 1965-8-11 205 Siskiyou along trail to four corners Marble Mt. Wilderness Area, Black Mt. 1874 Comment
  CAS-BOT-BC68203  Cheilanthes gracillima John Thomas Howell 1939-8-3 14995 Siskiyou Marble Mts. - Spirit Lake Comment
  RSA237844  Cheilanthes gracillima Frederick W. Oettinger 1968-8-5 405 Siskiyou Mount Hemlock Forest, Shasta Ridge, between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC68213  Cheilanthes gracillima H. M. Hall 1909-7-28 8674 Siskiyou Head of Salmon River 1645 Comment
  CAS-BOT-BC68214  Cheilanthes gracillima Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains - Head Jaynes Canyon - Mt. Diablo Mer. 2072 Comment
  UCD97763  Chenopodium album A. A. Heller 1915-8-24 12212 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  UC851036  Chenopodium botrys A. A. Heller 1916-8-24 12564 Siskiyou near Sisson 1074 Comment
  HSC71078  Chimaphila umbellata M. A. Baker 1980-6-20 2201 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC452283  Chimaphila umbellata David D. Keck 1938-8-6 4803 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp Comment
  CAS-BOT-BC184898  Chloris virgata T. C. Fuller 1966-10-5 15243 Siskiyou West side of Interstate 5 just south of exit to Hilts. Comment
  SEINET7075526  Chlorogalum angustifolium A. G. Vestal 1955-5-16 s.n. Siskiyou About 6.2 miles northwest of Weed. 41? deg. 28' 27" North Latitude, -122? deg. 28' 53" West Longitude. UTM Zone 10, 543291mE, 4591309mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC30102  Chrysolepis L. B. Kildale 1930-6-1 9789 Siskiyou Black Bear trail to Sawyers Bar Comment
  CAS-BOT-BC36389  Chrysolepis chrysophylla H. A. Thomas; J. H. Thomas 1957-7-23 4471 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  HSC36664  Chrysolepis chrysophylla Brent Whiteley 1975-6-28 91 Siskiyou 915 Comment
  UC5453  Chrysolepis sempervirens Milo S. Baker 1893-6 Siskiyou Squaw Valley Mt. Mt. Shasta (s base of Mt Shasta) Comment
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Aug 25 2006
  UC61174  Chrysolepis sempervirens W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta 1066 Comment
  RSA120893  Chrysolepis sempervirens Milo S. Baker 1957-6-16 13143 Siskiyou Trip to Scott Mt. from turn off near Callahan at a point just below Pinus ponderosa zone. Comment
  UC1540152  Chrysothamnus humilis Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9253 Siskiyou Caldwell Butte, on crater floor at n interior Lava Beds National Monument, Caldwell Butte 1499 Comment
  POM57971  Chrysothamnus nauseosus subsp. albicaulis E. B. Copeland 1903-10-10 3785 Siskiyou Mt. Eddy 2226 Comment
  RSA167214  Chrysothamnus nauseosus subsp. albicaulis Joseph P. Tracy 1949-9-15 18560 Siskiyou Black Bear Mine, Salmon Mts. Comment
  RSA14944  Chrysothamnus parryi subsp. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  UC1333301  Circaea alpina subsp. pacifica Dorothy Parker 1949-6-26 Siskiyou little stream which empties into Etna Creek (Salmon Mt. Range); Salmon Mt. Range 1176 Comment
  UC454590  Circaea alpina subsp. pacifica I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle Lake 1828 Comment
  POM89964  Circaea alpina subsp. pacifica L. R. Abrams 1922-6-29 8469 Siskiyou Mill Creek Comment
  JEPS25880  Cirsium brevistylum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7478 Siskiyou 0.2 mi w Rogers Creek crossing (along California highway 96, road bank on e side of canyon); Klamath River Canyon 228 Comment
  CAS-BOT-BC278054  Cirsium cymosum Alice Eastwood; John Thomas Howell 1936-6-13 2758 Siskiyou 8 miles n. of Weed Comment
  OBI60937  Cirsium cymosum var. cymosum B. Villegas 1999-6-8 s.n. Siskiyou Yreka, near jctn of Anderson Gade Rd and hwy 263, approx 3 mi N of Yreka at the Jim Sewell property Comment
  CAS-BOT-BC279881  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City Comment
  CAS-BOT-BC279891  Cirsium douglasii var. breweri Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Basin, Trinity Mts. 1828 Comment
  RSA0070614  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City. Comment
  UCD130621  Cirsium inamoenum var. inamoenum T. C. Fuller 1979-10-3 20271 Siskiyou both sides of Goosenest Road, 14 km northeast of Tennant. Comment
  CAS-BOT-BC285555  Cirsium occidentale var. candidissimum Louis C. Wheeler 1934-7-16 2908 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  CAS-BOT-BC285556  Cirsium occidentale var. candidissimum Louis C. Wheeler 1934-7-16 2908 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  JEPS86288  Cirsium scariosum W. L. Jepson 1940-7-3 20111 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  CAS-BOT-BC439047  Cistanthe monosperma Mrs. H. C. Cantelow 1936-5-20 1382 Siskiyou Summit of Salmon Mt. 1818 Comment
  CAS-BOT-BC163183  Clarkia lassenensis Lewis S. Rose 1945-6-18 45081 Siskiyou Horse Creek & Klamath River 502 Comment
  UC1408915  Clarkia rhomboidea Frederick W. Oettinger and R. F. Thorne 1969-8-5 1212 Siskiyou above Willow Spring (near English Lake Trail); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  CAS-BOT-BC164978  Clarkia rhomboidea A. A. Heller 1920-7-6 133420 Siskiyou Metcalf's ranch, northeast side of Mt. Eddy Comment
  SEINET11942356  Claytonia lanceolata H. P. Chandler 1901-1 1690 Siskiyou Marble Mountain, North Coast Ranges 2286 Comment
  CAS-BOT-BC451756  Claytonia obovata A. M. Vollmer; L. Beane 1951-5-31 29 Siskiyou Scott Mountain Comment
  UC60981  Claytonia palustris Geo. B. Grant Sep 1902 5232 Siskiyou Shasta Springs; Mount Shasta 609 Comment
  RSA601897  Claytonia parviflora L. C. Wheeler 1935-5-5 3466 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  CAS-BOT-BC443720  Claytonia rubra subsp. depressa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53381 Siskiyou 2.5 miles south of Grenada, Shasta Valley 762 Comment
  CDA23962  Claytonia rubra subsp. depressa Vernon H. Oswald & Lowell Ahart 1998-6-11 9219 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  HSC36925  Claytonia rubra subsp. rubra J. P. Smith 1974-5-26 7592 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  CAS-BOT-BC443833  Claytonia rubra subsp. rubra G. C. Kimber 1934-6-9 35 Siskiyou Ney Creek 1/8 mile from junction with Sacramento River 731 Comment
  SEINET7042821  Claytonia rubra subsp. rubra A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between railroad and highway 99 [I5]. Weed quadrangle UTM Zone 10, 549920mE, 4586493mN. Comment
  CDA23965  Claytonia saxosa G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2644 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  JEPS24436  Claytonia saxosa Dorothy Boedecker 1941-3-17 Siskiyou e side Scott Valley 914 Comment
  UC164297  Claytonia sibirica Geo. D. Butler 1909-7-15 964 Siskiyou Highland Mine Comment
  CAS-BOT-BC443860  Claytonia sibirica Elmer I. Applegate 1923-9-7 3958 Siskiyou Canyon Creek, Doggett Ridge, near Klamath River Comment
  HSC30284  Claytonia sibirica William J. Ferlatte 1969-6-25 1178 Siskiyou Big Flat, near public camp 1524 Comment
  RSA211260  Claytonia sibirica William J. Ferlatte 1966-6-22 109 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  HSC580  Clintonia uniflora William J. Ferlatte 1967-7-9 702 Siskiyou Kidd Creek Trail 1677 Comment
  UCD139631  Clintonia uniflora J. M. Tucker; D. V. Hemphill 1974-7-28 4334 Siskiyou 1.5 miles south of Haypress Meadows, beside trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  RSA68875  Clintonia uniflora A. E. Culbertson 1943-7-1 81 Siskiyou Near Forest Service Campground about a mile downstream from Castle Lake on road to town of Shasta. On a north slope of a 6600 eastern spur of Trinity Mountains and 1500 above Sacramento River., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to the northeast. 1524 Comment
  UCD13225  Clintonia uniflora Clyde Byfield 1973-7-2 S 219 Siskiyou Klamath National Forest, beside Kidder Creek, 0.5 mile west of Hayes Cabin on U.S.F.S. trail 11W23, 41 deg 30 min N, 123 deg 07 min. 1524 Comment
  UCD123560  Collinsia linearis J. M. Tucker 1974-7-28 4326 Siskiyou Marble Mountain Wilderness Area, adjacent to Haypress Meadows. 1463 Comment
  JEPS23293  Collinsia parviflora Rimo Bacigalupi with Arthur and Ruby Van Deventer 1959-7-9 7266 Siskiyou Poker Flat 1536 Comment
  RSA237560  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou Meadows of Upper English Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC1213758  Collinsia parviflora Jean Langenheim 1957-5-19 4343 Siskiyou area along roadcut between Gazelle and Callahan Comment
  UC1112258  Collinsia rattanii Rimo C. Bacigalupi with Galen Smith 1957-6-26 5961 Siskiyou along road to Gumboot Lake, South Fork of the Sacramento River 4 mi sw of junction with North Fork and w of the town of Mount Shasta South Fork of the Sacramento River 1432 Comment
  HSC43471  Collomia grandiflora Maralyn O'Meara 1974-5-25 382 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC23612  Collomia grandiflora T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC455465  Collomia grandiflora I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  HSC29284  Collomia grandiflora Frederick W. Oettinger 1969-7-27 1078 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NW of Little English Lake 1890 Comment
  UCD118161  Collomia grandiflora J. M. Tucker 1948-8-2 1752 Siskiyou In the outskirts of McCloud. Comment
  HSC68370  Collomia heterophylla J. P. Smith 1973-5-5 6373 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC61198  Comandra umbellata subsp. californica W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Mount Shasta, Sisson, Eighteenth Crossing Eighteenth Crossing; Mount Shasta, Sisson, Eighteenth Crossing Comment
  UCR94143  Conium maculatum N. F. McBain, N. A. Alexander, J. A. Alexander 1995-6-30 411 Siskiyou Shasta Valley, near Grenada, on Montague-Grenada Rd. 2 mi. north of US Hwy 97 cutoff. 762 Comment
  CAS-BOT-BC133722  Corallorhiza Doris K. Kildale 1928-8-20 6600 Siskiyou Field redacted by CAS, contact the data manager for more information 2133 Comment
  UC673558  Corallorhiza maculata Dorothy Tebbe 1929-7-14 115 Siskiyou Mount Eddy Comment
  HSC29151  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou Salmon Mountains, High Lake Basins, NNE of Pine Lake 2073 Comment
  HSC36655  Corallorhiza maculata Brent Whiteley 1975-6-28 67 Siskiyou 915 Comment
  SEINET3864280  Cordylanthus tenuis Barbara L. Wilson, R. E. Brainerd 2010-8-3 16187 Siskiyou South of Black Butte, east of the dump, on Shasta-Trinity National Forest property.; 0 Comment
  JEPS86236  Cordylanthus tenuis subsp. pallescens L. R. Heckard 1979-8-16 5157 Siskiyou n Mt. Shasta City (just sw of Black Butte, corner of old Hwy 99 and Pony Tail Dr.) 914 Comment
  CHSC105577  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16221 Siskiyou Dunsmuir; road 1M036 (Railroad Park Road) across from the railroad museum. Lat and Long. indicated +/- 56 feet. 704 Comment
  JEPS60492  Cordylanthus tenuis subsp. viscidus T. I. Chuang and L. R. Heckard 1969-8-21 6743 Siskiyou 27 mi n Happy Camp (Elder Mt Rd junction, on road to O'Brien) 822 Comment
  CAS-BOT-BC212271  Cornus glabrata Geo. D. Butler 1910-5-22 1385 Siskiyou Yreka Creek Comment
  CAS-BOT-BC376591  Cornus glabrata Andrew Townesmith; Karen M. Meyer 2007-8-3 893 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  UC166603  Cornus glabrata Geo. D. Butler 1909-9-26 974 Siskiyou along creek near Yreka Comment
  UC412917  Cornus glabrata Annie M. Alexander and Louise Kellogg 1911-6-12 118 Siskiyou 6 mi. n.w. Callahan (Scott Valley); Scott Valley Comment
  CAS-BOT-BC209879  Cornus nuttallii Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC212065  Cornus nuttallii H. A. Thomas; J. H. Thomas 1954-7-21 4437 Siskiyou About 6 miles SE of Cecilville, west side of Rush Creek, Salmon-Trinity Mts. 1219 Comment
  POM78081  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  UCR198253  Cornus nuttallii Dean Kelch 2007-7-25 07- 501 Siskiyou Indian Creek Road, just south of Greyback Summit 1304 Comment
  CAS-BOT-BC210389  Cornus sericea Annie M. Alexander; Louise Kellogg 1948-9-6 5586 Siskiyou Siskiyou Mountains. At Matthews Creek, South Fork Salmon River Comment
  CAS-BOT-BC210395  Cornus sericea Doris K. Kildale 1929-7-20 8747 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  CAS-BOT-BC210396  Cornus sericea Doris K. Kildale 1928-8-18 6455 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC210399  Cornus sericea A. A. Heller 1920-8-11 13504 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CHSC71574  Cornus sericea subsp. sericea Vernon H. Oswald; Lowell Ahart 1998-8-3 9457 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 2.6 mi southeast of Gazelle-Callahan Rd. Along a streamlet on the upstream side of a culvert. 1426 Comment
  HSC19037  Cornus sericea subsp. sericea J. O. Sawyer 1969-6-11 840 Siskiyou Duck Lake Creek near C.C.C. road. 1311 Comment
  UC165420  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-21 86 Siskiyou Etna Creek Comment
  LA94474  Coronilla varia T. C. Fuller; G. D. Barbe 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 N of Dunsmuir; driveway to Dunsmuir Elementary School Comment
  UC144303  Corylus californica A. A. Heller 1905-6-5 7971 Siskiyou between Shasta Retreat and Shasta Springs Comment
  HSC27598  Corylus cornuta subsp. californica Carl W. Mize 1972-6-10 56 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 244 Comment
  SBBG113471  Corylus cornuta subsp. californica D. Wilken with E. Painter 2000-8-10 15854 Siskiyou just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian Crk, O'Brien-Happy Camp Rd 1500 Comment
  RSA238546  Corylus cornuta var. californica Frederick W. Oettinger 1968-8-23 615 Siskiyou Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area. Amid large granite scree of Diamond Lake outlet spillway. 1951 Comment
  HSC43042  Crepis acuminata J. O. Sawyer, Ken Stillman 1976-7-2 2815 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC429491  Crepis monticola Morris Halperin 1930-5-17 Siskiyou around Yreka (Geo. Gray of Yreka, prop. of ranch); Schulmeyer Gulch Comment
Read comments
May 9 2008
  UC581311  Crepis monticola E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1888 Siskiyou about 2 mi s Yreka 810 Comment
  JEPS36460  Crepis occidentalis Geo. D. Butler 1909-5-8 754 Siskiyou Butcher Hill Comment
  CAS-BOT-BC290875  Crepis pleurocarpa Alice Eastwood 1923-5-23 11925 a Siskiyou Cantara Comment
  CAS-BOT-BC290876  Crepis pleurocarpa John Thomas Howell 1937-7-29 13646 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC290884  Crepis pleurocarpa John Thomas Howell 1937-7-24 13386 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA264990  Crepis pleurocarpa Gilbert Muth 1975-7-30 5724 Siskiyou Near Kangaroo Mountain, near Seiad Valley 1854 Comment
  CAS-BOT-BC290867  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-19 2438 Siskiyou On Park's Creek 1 mi. below Stewarts Springs 1120 Comment
  CAS-BOT-BC290879  Crepis pleurocarpa Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  HSC63065  Crocidium multicaule David Wheeler 1979-4-8 34 Siskiyou N facing slope Comment
  UCR51766  Crocidium multicaule L. C. Wheeler 1935-5-5 03463 Siskiyou Siskiyou Mtns., Greenhorn Creek 854 Comment
  UC1181809  Crocidium multicaule Dorothy Parker 1950-3-14 383 Siskiyou e side Scott Valley; Siskiyou Mountains, Scott Valley 853 Comment
  HSC65134  Croton setiger J. P. Smith, Steve Selva 1970-7-17 4416 Siskiyou Along Klamath River. Comment
  HSC44642  Crypsis schoenoides K. T. Stillman 1976-8-24 431 Siskiyou Along the Klamath River at Williams Point 366 Comment
  JEPS93886  Cryptantha ambigua Vernon H. Oswald and Lowell Ahart 1998-7-21 9332 Siskiyou on the s side of Tennant Road 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake at a gravel pit); Tennant Road 1402 Comment
  UC1180475  Cryptantha ambigua Robert Ornduff 1960-6-30 6268 Siskiyou U.S. Hwy 97 Grass Lake Comment
  JEPS116598  Cryptantha ambigua Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -014 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73 Weed (unburned area within Hotlum Fire perimeter burned in Feb 2006 4 miles NE of town of); Mt. Shasta 1127 Comment
  RSA715935  Cryptantha flaccida L. Ahart 2005-6-10 12070 Siskiyou About 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UC164156  Cryptantha torreyana Geo. D. Butler 1910-5-8 1310 Siskiyou near Yreka Comment
  UC1212566  Cryptantha torreyana Francia Chisaki and Helen Sharsmith 1959-8-20 4732 Siskiyou divide between Scott River and East Fork of Salmon River; Inner North Coast Ranges, Carrigher Summit 1981 Comment
  NY335192  Cryptantha trifurca E. B. Copeland 1903-7-5 3550 Siskiyou Klamathon Comment
  CAS-BOT-BC85601  Cupressus bakeri Oliver V. Matthews 1939-7-18 37 Siskiyou N.E. Goose Nest Grove-Goose Nest Region 1828 Comment
  JEPS48247  Cupressus bakeri Louis C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek Siskiyou Mts. 1158 Comment
  POM264954  Cupressus bakeri O. V. Matthews 1939-7-14 34 Siskiyou North-westerly Grove, Goose Nest Region 1524 Comment
  RSA22763  Cupressus bakeri O. V. Matthews 1939-7-13 33 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  SEINET10531420  Cupressus bakeri Carl B. Wolf 1934-10-8 Wolf 2128 Siskiyou Modoc lava beds, 1 mi N.E. of timbered crater on Old Stage road from Dana to Little Hot Springs Valley. Arid transition:- Yellow Pines Sun. Lava Roack. 1220 Comment
  NY336647  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-8-21 3192 Siskiyou Head of East Fork Horse Creek, Siskiyou Mountains, Mt. Diablo Mer. 1981.2 Comment
  UCD77582  Cycladenia humilis Robert E. Preston 2001-7-21 1746 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2194 Comment
  UCD77585  Cymopterus terebinthinus var. californicus Robert E. Preston 2002-6-20 1834 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  UCR179175  Cymopterus terebinthinus var. californicus Robert E. Preston 2002-7-12 1908 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, south slope of Rainbow Mtn. 1790 Comment
  SEINET3153057  Cynoglossum occidentale G. D. Butler 1910-6-4 1497 Siskiyou Phackleford creek Comment
  UC637093  Cyperus bipartitus Edward Lee 1934-8-12 1049 Siskiyou 1/4 mi. w. of mouth of Walker Creek; e. end Seiad Valley, Walker Creek (tributary of Klamath R.) 426 Comment
  HSC66257  Cypripedium californicum Maralyn A. Renner 1980-7-4 1457 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
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Jun 7 2012
  JEPS109696  Cypripedium californicum Dean W. Taylor 2002-7-20 18254 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  UC1483490  Cypripedium californicum Maralyn A. Renner 1980-7-4 1416 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad 1066 Comment
  UC673565  Cypripedium californicum Dorothy Tebbe 1929-7-15 116 Siskiyou Mount Eddy Comment
  UC14958  Cypripedium californicum W. C. Blasdale July, 1899 1077 b Siskiyou from summit of Siskiyous to Waldo, Oregon Comment
  SBBG30575  Cypripedium montanum D. Myrick 1968-6-29 2060 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CAS-BOT-BC136477  Cypripedium montanum Clarence R. Quick 1958-6-17 58 -25 Siskiyou Field redacted by CAS, contact the data manager for more information 1356 Comment
  HSC103854  Cystopteris fragilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-20 2767 Siskiyou 2 mi. east of Callahan at Hwy. 3 bridge over the East Fork Scott River. 988 Comment
  HSC1032  Cystopteris fragilis R. C. Wunner 1965-6-20 231 Siskiyou Lava Beds N.M., entrance of Thunderbolt Cave 1463 Comment
  RSA237512  Cystopteris fragilis Frederick W. Oettinger 1968-9-1 649 Siskiyou South of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UC1183426  Cystopteris fragilis P. Quentin Tomich 1954-6-29 435 Siskiyou Silver Cave entrance Silver Cave; Lava Beds Nat'l Monument 1402 Comment
  RSA184775  Dactylis glomerata Gilbert Muth 1966-8-1 489 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  HSC19086  Danthonia californica J. O. Sawyer 1969-7-25 1531 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  JEPS25668  Danthonia californica Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7311 Siskiyou just e Del Norte County line (4 air-line mi nne of Preston Peak); Siskiyou Mts., watershed of Indian Creek, Twin Valley 1493 Comment
  RSA585077  Danthonia californica L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  RSA115694  Danthonia intermedia Beecher Crampton 1956-8-22 3861 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  HSC19072  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-4 1797 Siskiyou Above Sugar Lake 2134 Comment
  HSC19075  Danthonia unispicata J. O. Sawyer 1969-8-1 1635 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC30518  Danthonia unispicata Frederick W. Oettinger 1969-8-24 1522 Siskiyou Marble Mountain Wilderness: Salmon Mountains, in the vicinity of English Peak, inlet to Upper English Lake. 1799 Comment
  HSC76916  Danthonia unispicata K. T. Stillman 1976-6-26 128 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
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Mar 22 2012
  CAS-BOT-BC76232  Darlingtonia californica David D. Keck 1938-8-8 4866 Siskiyou At Trinity county line. Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1676 Comment
  CHSC30185  Darlingtonia californica M. S. Taylor 1980-7-22 3174 Siskiyou Just e of Big Carmen Lake, take right turn on logg ... Field redacted by CHSC, contact the data manager for more information 1828 Comment
  UCD168828  Darlingtonia californica Barry Rice 2015-9-5 BR 150901 Siskiyou Slopes NE of Toad Lake. 2133 Comment
  UC166557  Darmera peltata Geo. D. Butler 1908-8-11 220 Siskiyou Shackleford Creek Comment
  CDA36141  Datisca glomerata Jim Staggs 2011-11-15 PDR# 450 P06001782 Siskiyou Castle Crags State Park near Dunsmuir. 0 Comment
  HSC74082  Daucus carota J. P. Smith, J. O. Sawyer 1978-7-3 10010 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  CAS-BOT-BC8969  Delphinium depauperatum Lincoln Constance; Reed Clark Rollins 1942-5-14 2926 Siskiyou Road to Walker Post Office, 4 miles west of Yreka, Klamath-Siskiyou Region 1219 Comment
  HSC34212  Delphinium glaucum J. P. Smith, J. O. Sawyer 1973-8-14 7315 Siskiyou Around Cliff Lake 1860 Comment
  CAS-BOT-BC8758  Delphinium glaucum M. B. Dunkle 1945-8-2 9272 Siskiyou Paradise Lake, Klamath National Forest 1828 Comment
  RSA398632  Delphinium glaucum Albert J. Perkins 1925-08 14737 Siskiyou Along road to Tuolumne Glacier, Yosemite National Park. Comment
  CAS-BOT-BC116158  Delphinium nuttallianum L. E. Smith 1913-5-14 210 Siskiyou Yreka Comment
  CAS-BOT-BC116162  Delphinium nuttallianum D. E. Breedlove 1962-6-11 3362 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range. 1127 Comment
  CHSC9497  Delphinium nuttallianum J. F. Goodwin 1971-7-3 146 Siskiyou Southeast side of Castle Lake, 0.1 mi. south on Lookout Trail on east side of trail; 9.2 mi. sw of Mt. Shasta City. 1676 Comment
  JEPS74467  Delphinium nuttallianum W. J. Ferlatte 1966-6-22 88 Siskiyou open meadow along river between the campground and Carter's; Trinity Alps, South Fork of Salmon River 1524 Comment
  UC165300  Delphinium nuttallianum Geo. D. Butler 1910-3-24 1142 Siskiyou Shasta River hills Comment
  UCR37854  Deschampsia atropurpurea K. T. Stillman 1976-8-8 399 Siskiyou Marble Mountain Wilderness Area Comment
  HSC69102  Deschampsia cespitosa Maralyn A. Renner 1980-8-4 2228 Siskiyou Flint Valley 1390 Comment
  SEINET4344614 Image available Deschampsia cespitosa Unknown 1990-7-14 9305 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mile N of Morgan Meadows, Steep E-facing serpentine hillside. 1676 Comment
  UCD21468  Deschampsia cespitosa subsp. holciformis Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1208 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  JEPS94257  Deschampsia danthonioides Vernon H. Oswald and Lowell Ahart 1998-6-11 9223 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  UC815232  Deschampsia danthonioides Louis C. Wheeler 1934-6-22 2751 Siskiyou Cottonwood Creek Siskiyou Mts., Cottonwood Creek 914 Comment
  HSC65587  Deschampsia elongata Donald W. Miles 1979-7-18 18 Siskiyou "Midway up Lookout Point, on short logging spur off of Medicine Lake Rd., 11 mi. N of Bartle." 1555 Comment
  HSC77112  Descurainia incisa subsp. incisa K. T. Stillman 1976-7-30 341 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  CDA3688  Descurainia sophia T. C. Fuller 1958-4-17 4821 Siskiyou 4 miles east of Yreka. 0 Comment
  CHSC48327  Descurainia sophia Vernon Oswald 1986-5-29 2067 Siskiyou Lower Klamath National Wildlife Refuge, on the tour route ca. 1.5 mi s of Hwy 161. On levees. 1245 Comment
  UC726511  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou near Sisson 1074 Comment
  UC909337  Descurainia sophia Ira L. Wiggins 1950-5-27 12353 Siskiyou Callahan Ranger Station Scott River (banks of e fork of Scott River) 975 Comment
  HSC19282  Dicentra formosa J. O. Sawyer 1968-7-10 486 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC44575  Dicentra formosa Laura Witherspoon 1977-6-30 Siskiyou 1/2 mi. along Binwall Rd. before Dillon Camp 1494 Comment
  UC1190147  Dicentra formosa Ira L. Wiggins 1955-7-29 13576 Siskiyou between pass to Thompson Creek and Caribou Lake 1956 Comment
  RSA433582  Dicentra formosa subsp. formosa Donald Myrick 1968-6-26 2007 Siskiyou In shade along upper waters of Coffee Creek, Trinity Alps, alt 4800ft. 1463 Comment
  CAS-BOT-BC402593  Dicentra uniflora Wm. Bridge Cooke 1938-6-24 11107 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  JEPS9733  Dicentra uniflora W. L. Jepson 1940-6-27 20044 Siskiyou e slope Mt. Shasta 2133 Comment
  JEPS64177  Dichelostemma capitatum Geo. D. Butler 1909-4-13 Siskiyou near Yreka Comment
  HSC33991  Dichelostemma multiflorum J. P. Smith 1974-5-25 7499 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  UC144626  Dichelostemma multiflorum A. A. Heller 1905-6-1 7942 Siskiyou between Upper Soda Spring and Shasta Retreat Comment
  UC333371  Dichelostemma multiflorum unknown 1889-6-26 Siskiyou Edgewood Comment
  SEINET7839015 Image available Dieteria canescens G. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  CAS-BOT-BC291002  Dieteria canescens var. shastensis Alice Eastwood 1912-7-16 1120 Siskiyou McCloud Comment
  CAS-BOT-BC291026  Dieteria canescens var. shastensis John Thomas Howell 1939-8-4 15045 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  HSC72375  Dieteria canescens var. shastensis J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8973 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  CAS-BOT-BC291025  Dieteria canescens var. shastensis John Thomas Howell 1937-7-29 13678 Siskiyou North slope of Scott Mts. 1676 Comment
  HSC5962  Dieteria canescens var. shastensis D. M. Thomson 1965-8-21 205 Siskiyou California Lava Beds National Monument; 1/4 mi. N of Devil's Homestead Comment
  UCR70754  Dimeresia howellii D. W. Taylor, G. L. Clifton, R. D. Stone 1987-8-7 9250 Siskiyou Caldwell Butte, Lava Beds National Monument. On crater floor at northern interior 1500 Comment
  SEINET185054 Image available Diplacus nanus C. L. Hitchcock, J. S. Martin 1939-1 5318 Siskiyou Between King's Castle and Black Mountain, west side of ridge. 1829 Comment
  CAS-BOT-BC153733  Diplacus nanus Peter H. Raven 1956-9-4 10412 Siskiyou On south side of Mt. Eddy 2682 Comment
  UC375202  Disporum hookeri Geo. D. Butler 1908-8-24 93 Siskiyou Eldredge's Corral, Russian Creek Russian Creek; Eldredge's Corral, Russian Creek Comment
  SEINET10558103  Distichlis spicata Louis C. Wheeler 1935-6-30 Wheeler 3642 Siskiyou Dry subsaline adobe flat, 3 mi. S. Grenada, Shasta Valley. 792 Comment
  JEPS82702  Dodecatheon alpinum Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (Castle Lake); , sw of Mt. Shasta city 1828 Comment
  UC877609  Dodecatheon alpinum A. A. Heller 1915-7-15 12089 Siskiyou Mt. Eddy 1828 Comment
  HSC81528  Dodecatheon jeffreyi Thomas W. Nelson, Jane P. Nelson 1980-7-20 6181 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC922512  Dodecatheon jeffreyi Annie M. Alexander and Louise Kellogg 1949-7-28 5883 Siskiyou Sky High Valley , Sky High Valley (Marble Mountains) 1767 Comment
  HSC44586  Dodecatheon jeffreyi Laura Witherspoon 1977-8-8 Siskiyou Flint Valley 1220 Comment
  SD241789  Downingia elegans var. elegans Dean Wm. Taylor 1999-6-9 17240 Siskiyou Cascade Range: Agate Flat, 0.3 miles S of Oregon State Line. 1006 Comment
  HSC75120  Downingia yina J. P. Smith, Thomas W. Nelson 1979-6-16 10140 Siskiyou Klamath National Forest, Hwy. 3, 2.4 mi. from Scott Mtn. summit. 1341 Comment
  CAS-BOT-BC41818  Draba breweri William Bridge Cooke 1940-7-26 15383 Siskiyou Mount Shasta. On the west side of Shastina above Merriam's timberline. 2895 Comment
  HSC90896  Draba carnosula Jennifer Whipple 1976-6-17 1032 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  HSC61208  Draba howellii Al Hobart 1967-8-9 Siskiyou El Capitan Comment
  HSC61986  Draba howellii Al Hobart 18 Jun [year missing] Siskiyou Preston Peak Comment
  CAS-BOT-BC41311  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mountain Wilderness Area. Ridge top just north of Black Mountain. 2103 Comment
  SBBG27384  Draba verna L. C. Wheeler 1935-4-18 3430 Siskiyou Greenhorn Crk; Siskiyou Mtns 1005 Comment
  CAS-BOT-BC159437  Drymocallis glandulosa var. glandulosa Lewis S. Rose 1945-6-18 45059 Siskiyou Horse Creek & Klamath River 502 Comment
  JEPS25594  Drymocallis glandulosa var. reflexa Rimo Bacigalupi 1959-7-2 7226 Siskiyou near n base Caribou Mtn (and just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, Big Flat Campground); headwaters South Fork Salmon River, Coffee Creek drainage 1508 Comment
  CAS-BOT-BC527346  Drymocallis glandulosa var. reflexa A. A. Heller 1916-6-20 12399 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS47176  Drymocallis lactea var. austiniae W. L. Jepson 1937-7-30 18554 Siskiyou Poker Flat Siskiyou Mts., , Poker Flat (headwaters of Indian Creek) 1584 Comment
  HSC18925  Drymocallis lactea var. lactea J. O. Sawyer 1969-8-2 1708 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC90600  Drymocallis pseudorupestris var. pseudorupestris Jennifer Whipple 1976-6-23 1106 Siskiyou Mt. Eddy, E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  HSC48373  Drymocallis rhomboidea J. O. Sawyer 1969-6-10 802 Siskiyou S face near Sugar Lake 1829 Comment
  UC154519  Drymocallis rhomboidea Harley P. Chandler June, 1901 1680 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  UC574875  Drymocallis rhomboidea John Thomas Howell 1937-7-21 13162 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  CAS-BOT-BC158417  Drymocallis rhomboidea G. P. Rixford s.n. Siskiyou South side of [Shaft-rock] Shaft Rock Mt., Hilt Comment
  SJSU15097  Dysphania ambrosioides C. W. Sharsmith 1992-9-17 9243 Siskiyou Devils Homestead (lava flow), Lava beds National Monument 1225 Comment
  CAS-BOT-BC113720  Eleocharis acicularis Alice Eastwood 1921-7-29 10946 a Siskiyou Medicine Lake. Comment
  CHSC88377  Eleocharis macrostachya Jenny Marr 1993-7-1 183 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA0037180  Eleocharis rostellata Lowell A. Ahart, John Dittes 2010-7-30 16946 Siskiyou About 5 yards south of the Shasta River, about 40 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC112014  Eleocharis suksdorfiana Henry Knut[e] Svenson 1938-9-8 11664 Siskiyou Squaw Creek Meadows, Hudsonian, Openings in the meadows. Comment
  CAS-BOT-BC451560  Elodea canadensis Alice Eastwood No date on label 1268 Siskiyou Sisson Comment
  HSC100300  Elymus caput-medusae J. P. Smith, & J. O. Sawyer 2011-6-25 13259 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  CAS-BOT-BC227918  Elymus elymoides Geo. D. Butler 1910-7-3 1932 Siskiyou Goosenest foothills 1219 Comment
  UCD61650  Elymus elymoides subsp. californicus Robert E. Preston 2001-6-23 1624 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  UC1133009  Elymus elymoides subsp. elymoides H. S. Yates 1936-6-21 5825 Siskiyou 2 mi w Soda Springs; Etna Quadrangle 853 Comment
  UC197117  Elymus elymoides subsp. elymoides Geo. D. Butler 1910-7-3 1632 Siskiyou Goosenest foothills 1219 Comment
  HSC30694  Elymus elymoides var. elymoides Frederick W. Oettinger 1969-9-2 1583 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow near Tom Taylor Cabin. 2027 Comment
  HSC41817  Elymus elymoides var. elymoides Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  HSC76951  Elymus elymoides var. elymoides K. T. Stillman 1976-7-23 304 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC100317  Elymus glaucus J. P. Smith, J. O. Sawyer 2011-7-21 13028 Siskiyou Along Klamath Forest Service Road 13N18, 0.3 mi. N of Ogaromtoc Lake. 568 Comment
  HSC76907  Elymus glaucus K. T. Stillman 1976-9-10 501 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  HSC9700  Elymus glaucus L. C. Wheeler 1934-8-14 3143 Siskiyou Siskiyou Mtn., Mt. Diablo Mer., east end of White Mtn. 1768 Comment
  HSC30580  Elymus glaucus subsp. glaucus Frederick W. Oettinger 1969-8-18 1423 Siskiyou Marble Mountain Wilderness Area, N end of Horse Range Lake 1822 Comment
  CAS-BOT-BC235226  Elymus multisetus David D. Keck 1949-7-19 6359 Siskiyou SW of Yreka on road to Ft. Jones Comment
  UCD62562  Elymus repens M. V. Maxwell 1955-9-27 Siskiyou Macdoel. Comment
  JEPS107657  Elytrigia intermedia subsp. barbulata Lowell Ahart, John Dittes 2005-6-10 12121 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  CDA15519  Elytrigia intermedia subsp. intermedia G. F. Hrusa 1998-7-5 14687 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Clumping perennial on roadside. Open dry site. Comment
  CAS-BOT-BC392234  Enemion stipitatum Geo. D. Butler 1910-3-10 1120 Siskiyou Near Yreka Comment
  RSA144782  Epilobium angustifolium subsp. circumvagum J. W. MacSwain 1959-8-10 59 -149 Siskiyou West of McCloud Comment
  HSC69568  Epilobium ciliatum subsp. ciliatum Maralyn A. Renner 1980-8-6 2269 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS43914  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1908-8-2 159 Siskiyou first meadow Shackelford Creek 1158 Comment
  POM256464  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-11 1027 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 457 Comment
  RSA142743  Epilobium ciliatum subsp. ciliatum P. A. Munz 1960-8-21 24206 Siskiyou 10 miles north of Weed. Comment
  UC422955  Epilobium ciliatum subsp. glandulosum Milo S. Baker Aug. 1897 141 Siskiyou Payne's Springs Comment
  UC1222848  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1950-7-20 19209 Siskiyou 45 mi se Elk Valley; Flint Valley 1432 Comment
  HSC96312  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig 1998-8-14 1019 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA211355  Epilobium hornemannii subsp. hornemannii William J. Ferlatte 1967-8-20 1057 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  UCD106497  Epilobium lactiflorum Robert E. Preston 2001-7-21 1722 a Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain. 2066 Comment
  UC873437  Epilobium minutum Louis C. Wheeler 1935-6-9 3551 Siskiyou Yreka Creek Siskiyou Mts. 1219 Comment
  RSA458713  Epilobium minutum J. P. Smith 1973-5-5 6451 Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road. Comment
  RSA458730  Epilobium obcordatum Louis C. Wheeler 1934-8-14 3135 Siskiyou North side White Mt., Siskiyou Mountains 1768 Comment
  RSA0004447  Epilobium obcordatum subsp. siskiyouense Louis C. Wheeler 1934-8-14 3135 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1768 Comment
  SEINET10815063 Image available Epilobium paniculatum Edward L. Greene 1876-8-28 Greene 1029 Siskiyou Near Etna. Comment
  POM230320  Epilobium siskiyouense J. T. Howell 1937-7-29 s.n. Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  UC399182  Equisetum arvense Geo. D. Butler 1908-7-16 249 Siskiyou Klamath River Comment
  CAS-BOT-BC56945  Equisetum arvense G. B. Grant 1902-9-13 Z 3700 Siskiyou Sisson, N. Cal Comment
  HSC42939  Equisetum hyemale subsp. affine J. O. Sawyer, Ken Stillman 1976-7-1 2773 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CAS-BOT-BC57811  Equisetum laevigatum W. B. C. 1940-6-7 15088 Siskiyou Just n. of Mount Shasta City along US99. 1082 Comment
  HSC102713  Eragrostis pectinacea var. pectinacea J. P. Smith 2013-6-18 13746 Siskiyou Camp Creek Recreation Area. 723 Comment
  HSC4051  Eremogone congesta Geo. D. Butler 1909-6-22 965 Siskiyou Goosenest Mtn. Comment
  HSC77115  Eremogone congesta K. T. Stillman 1976-6-25 94 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  CAS-BOT-BC168847  Eremogone congesta var. congesta H. A. Thomas; J. H. Thomas 1954-7-24 4507 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC174230  Eremogone congesta var. congesta Ira L. Wiggins 1955-7-27 13515 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1538953  Eriastrum signatum Ann Hale 1987-7-19 Siskiyou near Lake Shastina; Lake Shastina Quad., south end of Shasta Valley 883 Comment
  CAS-BOT-BC286693  Ericameria bloomeri Wm. Bridge Cooke 1938-9-17 11687 Siskiyou Mount Shasta. Horse Camp Comment
  CAS-BOT-BC286713  Ericameria bloomeri Alice Eastwood 1912-9-1 2064 Siskiyou Mount Shasta Comment
  CHSC30758  Ericameria bloomeri M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3257 A Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  HSC4759  Ericameria bloomeri William J. Ferlatte 1966-9-18 486 Siskiyou Big Flat; wooded area near public camp 1524 Comment
  POM261490  Ericameria bloomeri W. Bridge Cooke 1938-9-17 11687 Siskiyou Horse Camp. Hudsonian. 2439 Comment
  UCD131320  Ericameria bloomeri Lorry Dunning 1967-8-11 s.n. Siskiyou Mt. Shasta Ski Bowl. 2438 Comment
  CAS-BOT-BC287493  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Siskiyou Mts 1859 Comment
  HSC68174  Ericameria greenei J. P. Smith, J. O. Sawyer 1972-9-12 5777 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  POM56931  Ericameria greenei E. B. Copeland 1903-9-8 2868 Siskiyou Mt. Eddy 1768 Comment
  RSA237445  Ericameria greenei Frederick W. Oettinger 1968-8-22 590 Siskiyou English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  CAS-BOT-BC294301  Ericameria nauseosa var. speciosa A. A. Heller 1920-8-13 13524 Siskiyou Near Upton Comment
  POM357567  Erigeron aliceae L. C. Wheeler 1934-7-3 2855 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  RSA261543  Erigeron aliceae J. M. Tucker 1974-7-28 4323 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area 1463 Comment
  SD249139  Erigeron aliceae David Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Moutains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  UC1409461  Erigeron aliceae F. W. Oettinger and R. F. Thorne 1969-8-4 1185 Siskiyou meadow n of Tobacco Lake; Salmon Mts., English Peak area, Red Fir Forest 1889 Comment
  UCR266169  Erigeron aliceae David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail 1700 Comment
  RSA238730  Erigeron aliceae Frederick W. Oettinger, R. F. Thorne 1969-8-4 1185 Siskiyou North side of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD131601  Erigeron aliceae R. Tofsrud; J. M. Tucker 1948-8-3 1782 Siskiyou Siskiyou-Del Norte (Oregon) County Line: Summit of Happy Camp, Waldo (Oregon) Road. 1554 Comment
  CDA4409  Erigeron annuus F. D. Horn 1980-7-2 Siskiyou Indian Creek Road, just above Catholic Church, Happy Camp. 0 Comment
  CHSC63595  Erigeron canadensis Vernon H. Oswald; Lowell Ahart 1994-8-10 6452 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  CAS-BOT-BC294896  Erigeron cervinus John Thomas Howell 1937-7-25 13447 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC294899  Erigeron cervinus K. T. Stillman 1976-7-31 354 Siskiyou Marble Mountain Wilderness Area. Ridge north of Jump off Comment
  CAS-BOT-BC297110  Erigeron compositus A. A. Heller 1920-7-9 13423 Siskiyou Mt. Eddy 2438 Comment
  JEPS101163  Erigeron compositus Dean W. Taylor 1996-6-19 15708 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UC75816  Erigeron compositus Milo S. Baker 1899-7-31 Siskiyou above Warren and Andersons Mill Ash Creek (e slope of Mt. Shasta); Mt. Shasta, Ash Creek Comment
  CHSC39002  Erigeron eatonii var. plantagineus J. D. Jokerst 1983-7-5 1820 Siskiyou Atkin's Meadow ca 15 air miles E of McCloud. Comment
  HSC68443  Erigeron foliosus var. confinis Maralyn A. Renner 1980-7-4 1386 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow 1585 Comment
  UCR45438  Erigeron foliosus var. confinis D. H. Norris 1970-5-23 12238 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  HSC19464  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-5 1741 Siskiyou W of Little Duck Lake 2073 Comment
  HSC19468  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-4 1860 Siskiyou Slope SW of Sugar Lake 2195 Comment
  HSC714  Erigeron glacialis var. glacialis William J. Ferlatte 1967-8-20 1046 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge, N-facing slope 2256 Comment
  UC618633  Erigeron inornatus var. inornatus unknown 1938-7-22 11326 Siskiyou Mount Shasta Mount Shasta (Sisson Southern Trail) 1371 Comment
  JEPS89687  Erigeron nivalis Dean Wm. Taylor, Rexford E. Palmer, Glenn L. Clifton 1987-8-9 9267 Siskiyou Medicine Lake Area, on s wall of Alcohol Crater, extreme northeastern portion of county Alcohol Crater; Medicine Lake Area, Alcohol Crater 2072 Comment
  JEPS83868  Erigeron petrophilus var. petrophilus Wayne Roderick 1976-7-1 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. 1767 Comment
  JEPS93920  Erigeron petrophilus var. viscidulus Vernon H. Oswald and Lowell Ahart 1998-8-3 9410 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1493 Comment
  CAS-BOT-BC300091  Erigeron philadelphicus Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  UC1190271  Erigeron philadelphicus var. philadelphicus Ira L. Wiggins 1955-7-25 13506 Siskiyou Mountain View Ranch, ditch head on Rush Creek Rush Creek 1005 Comment
  JEPS57185  Erigeron tener L. R. Heckard 1967-8-13 1689 Siskiyou near summit of Mt. Eddy 2712 Comment
  UCD119304  Eriodictyon lobbii Lorry Dunning 1967-8-11 s.n. Siskiyou Mt. Shasta. 1996 Comment
  UCD99665  Eriogonum alpinum A. H. Murphy 1959-7-23 59 X Siskiyou Shasta National Forest. Between North and Middle fork of Sacramento River. 2286 Comment
  HSC42997  Eriogonum compositum var. compositum J. P. Smith, Steve Selva 1970-6-15 3950 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  HSC30409  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-8-23 614 Siskiyou Marble Mtn. Wilderness area, Diamond Lake spillway on way to English Lake 2058 Comment
  HSC40750  Eriogonum congdonii R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 173 Siskiyou Near Red Rock Mtn. 2188 Comment
  POM253985  Eriogonum douglasii var. douglasii C. L. Hitchcock, J. S. Martin 1939-7-8 5304 Siskiyou North side of Black Mt 2073 Comment
  CAS-BOT-BC33527  Eriogonum elatum var. villosum George Dexter Butler 1910-6-26 1606 Siskiyou Near Yreka Comment
  POM105148  Eriogonum luteolum Geo. D. Butler 1910-6-17 1572 Siskiyou Near Yreka Comment
  CAS-BOT-BC263663  Eriogonum luteolum var. luteolum Louis C. Wheeler 1934-6-28 2811 Siskiyou Beaver Creek at West Fork, Siskiyou Mts. 701 Comment
  HSC43460  Eriogonum marifolium Jennifer Whipple 1976-7-7 1318 Siskiyou Summit region of Mt. Eddy 2530 Comment
  LA25767  Eriogonum marifolium H. Lewis; M. Lewis 1951-7-12 sn Siskiyou Mount Shasta, Panther Meadows Comment
  SEINET3160022  Eriogonum marifolium G. B. Grant 442 Siskiyou Mt. Shasta Comment
  UC1949265  Eriogonum marifolium Barbara Ertter 1990-7-16 9382 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 2 mi E of Parks Cr trailhead (= crest of Rt 17) along ridge Comment
  UC598749  Eriogonum marifolium C. Hart Merriam 1898-7-19 4 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC263177  Eriogonum marifolium var. cupulatum A. A. Heller 1920-8-12 13522 Siskiyou Between Horse Camp and the spring, Mt. Shasta Comment
  CDA22622  Eriogonum microthecum F. D. Horn 1977-10-5 Siskiyou Shasta Vista Estates, Grenada. 0 Comment
  CAS-BOT-BC261621  Eriogonum nudum var. nudum Alice Eastwood 1912-7-17 1194 Siskiyou Sisson Comment
  UCR37584  Eriogonum nudum var. nudum L. P. Janeway 1983-8-7 516 Siskiyou Peak '5148' East of Preston Peak 1555 Comment
  SD51282  Eriogonum nudum var. pubiflorum Darley F. Howe 1961-8-3 Siskiyou 20.3 miles east of Happy Camp on #96 548 Comment
  SEINET204352  Eriogonum ovalifolium var. purpureum Fred W. Hoffman 1948-7-12 2616 Siskiyou 2 miles west of junction of Little Shasta Road with Mt. Hebron Road. Comment
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May 8 2018
  JEPS25567  Eriogonum pyrolifolium Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7192 Siskiyou pumice fields just e Mt. Shasta Ski Bowl Lodge (sw slope of mt., at upper end of Everitt Hwy); Mt. Shasta 2346 Comment
  CAS-BOT-BC252954  Eriogonum pyrolifolium var. pyrolifolium Robert F. Thorne; Fred Oettinger 1969-8-10 38984 Siskiyou S slope of Mt. Shasta, slopes above ski-lodge, Mt. Shasta National Forest 2438 Comment
  SD53341  Eriogonum pyrolifolium var. pyrolifolium Darley F. Howe 1962-8-6 3411 Siskiyou Mt. Shasta 2438 Comment
  POM165277  Eriogonum pyrolifolium var. pyrolifolium C. F. Baker 1903-8-16 3807 Siskiyou Mount Shasta 3049 Comment
  JEPS56446  Eriogonum roseum Geo. D. Butler 1908-8-2 203 Siskiyou near Shackelford Creek; Quartz Valley Comment
  POM211515  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Hot dry south slope. Oak Knoll Ranger Station. Klamath River. 671 Comment
  UC163863  Eriogonum roseum Geo. D. Butler 1908-8-2 203 Siskiyou Quartz Valley Comment
  CAS-BOT-BC268576  Eriogonum siskiyouense John Thomas Howell 1937-7-29 13628 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  RSA50191  Eriogonum siskiyouense E. K. Balls 1949-7-8 13913 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  RSA123700  Eriogonum spergulinum var. reddingianum M. S. Baker, H. K. Wagnon 1955-7-16 174 Siskiyou In dry, Powdery Shale-like rock on the east ridge leading to the summit of South Yolla Bally ( Mt. Linn) 2287 Comment
  CHSC118625  Eriogonum sphaerocephalum var. halimioides Richard R. Halse 2016-5-29 9723 Siskiyou Along Hilt Road east of Hilt. 902 Comment
  CHSC71593  Eriogonum strictum var. greenei Vernon H. Oswald; Lowell Ahart 1998-8-3 9407 Siskiyou USFS 41N03 0.2 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  SEINET244751 Image available Eriogonum umbellatum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mile west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna. 869 Comment
  CAS-BOT-BC267975  Eriogonum umbellatum var. argus H. A. Thomas; J. H. Thomas 1954-7-25 4532 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC267976  Eriogonum umbellatum var. argus Dorothy Parker 1950-8-6 490 Siskiyou Salmon Mountain 1798 Comment
  CAS-BOT-BC267979  Eriogonum umbellatum var. argus John Thomas Howell 1939-8-2 14887 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC267984  Eriogonum umbellatum var. argus Edward Lee 1934-8-14 1103 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  CAS-BOT-BC267994  Eriogonum umbellatum var. argus A. A. Heller 1940-7-24 15762 Siskiyou Shore of Castle Lake Comment
  SEINET3860081  Eriogonum umbellatum var. argus James L. Reveal, Mark L. Reveal 1975-8-15 3955 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.5 mi W of Dry Lake Lookout near the Buckthorn Trail.; 0 2042 Comment
  HSC162  Eriogonum umbellatum var. dumosum William J. Ferlatte 1966-8-2 240 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  UC585150  Eriogonum umbellatum var. modocense E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1952 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed, North slope of Mt. Shasta); Mt. Shasta 1235 Comment
  UC722839  Eriogonum umbellatum var. modocense C. L. Hitchcock, J. S. Martin 1939-7-9 5312 Siskiyou between King's Castle and Black Mt. (w side of ridge) 1828 Comment
  HSC60822  Eriogonum umbellatum var. polyanthum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC36668  Eriogonum umbellatum var. speciosum Brent Whiteley 1975-7-5 142 Siskiyou 213 Comment
  CAS-BOT-BC94804  Eriophyllum lanatum R. C. Wenk 2006-7-24 532 Siskiyou Scott Mtns., border between Trinity and Siskiyou Cos., along Pacific Crest Trail, 0.5 km E of Hwy. 3 1700 Comment
  UC507117  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-21 E 85 Siskiyou 9 m n Weed Comment
  UC507154  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 121 Siskiyou 8 mi s of Bray Comment
  CAS-BOT-BC301138  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 119 Siskiyou 10 m. n. Weed, on K. Falls road Comment
  UC31778  Eriophyllum lanatum var. grandiflorum W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC308278  Eriophyllum lanatum var. integrifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11860 Siskiyou 2.4 miles below summit of Gazelle Mt. grade, east side 1417 Comment
  CDA33631  Eriophyllum lanatum var. integrifolium R. A. Price 2010-7-3 1661 Siskiyou Along Forest Service Road 17 (Stewart Springs Road); 5 miles east of crest. 0 Comment
  POM30800  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-6-23 1602 Siskiyou Yreka Creek. Comment
  RSA78806  Eriophyllum lanatum var. lanceolatum P. A. Munz 1952-7-3 17920 Siskiyou Ft. Goff Public Camp, Klamath River 366 Comment
  UC1540015  Erodium cicutarium Mitchell 1936-5-14 22 Siskiyou Canby Cross Lava Beds National Monument 1249 Comment
  CAS-BOT-BC54580  Erysimum capitatum Doris K. Kildale 1929-7-20 8698 Siskiyou Raspberry Lake, east spur Preston Peak. Comment
  HSC74908  Erysimum capitatum var. capitatum J. P. Smith 1978-7-1 9958 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  JEPS74431  Erysimum perenne W. J. Ferlatte 1966-6-23 119 Siskiyou Dorleska summit Trinity Alps 2133 Comment
  UC722224  Erysimum perenne C. L. Hitchcock and J. S. Martin 1939-7-9 5313 Siskiyou w side of ridge between King's Castle and Black Mt. 1828 Comment
  SD76171  Erythranthe moniliformis Helen V. Witham 1969-10-7 583 Siskiyou edge of stream, Scott R. 10 miles west of Fort Jones 700 Comment
  SEINET14375314  Erythranthe primuloides D. Paraker, W. Roderick 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  CAS-BOT-BC133304  Erythronium klamathense Alice Eastwood 1921-7-24 s.n. Siskiyou Castle Lake Comment
  HSC68361  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-16 4053 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  CAS-BOT-BC403683  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Siskiyou South slope of Caldwell Butte, Lava Beds National Monument Comment
  SDSU829  Eschscholzia californica D. F. Howe 1961-8-3 3130 Siskiyou 35.3 miles east of Happy Camp, #96, Klamouth Valley. 457 Comment
  HSC22122  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-18 1981 Siskiyou Above South Sugar Creek 2134 Comment
  HSC22125  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-5 1934 Siskiyou N of S Sugar Lake 1890 Comment
  HSC34267  Eucephalus ledophyllus var. ledophyllus J. P. Smith, J. O. Sawyer 1973-8-14 7318 Siskiyou W of Cliff Lake 1982 Comment
  UC144542  Euphorbia crenulata A. A. Heller 1905-6-5 7981 Siskiyou between Shasta Retreat and Shasta Springs Comment
  RSA436011  Euphorbia crenulata W. Bridge Cooke 1940-6-20 15139 Siskiyou Along the Pacific Highway (US99) in the Klamath River Gorge below Hornbrook. 610 Comment
  UC1736078  Euphorbia esula Dean W. Taylor 1999-8-12 17298 Siskiyou Mill Creek, Quartz Valley about 1 mile SSW Mugginsville, along Mill Creek logging road 0.5 miles up from bridge crossing 972 Comment
  UC1971261  Euphorbia maculata Louis C. Wheeler 1963-8-23 8266 Siskiyou KLAMATH RIVER: Walker (near Oak Knoll). Comment
  RSA0036537  Eurhynchiastrum pulchellum James R. Shevock, Ken Kellman 2012-10-6 41162 Siskiyou Above Sugar Lake accessed via trailhead off of FS road 41N14. 1821 Comment
  CHSC268  Eurybia integrifolia V. Holt 1943-8-14 Siskiyou Marble Mountains. 1219 Comment
  CAS-BOT-BC310627  Eurybia radulina Wm. Bridge Cooke 1938-8-19 11511 Siskiyou Mount Shasta. Howard Comment
  UCD98897  Fallopia japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir. Comment
  HSC101711  Festuca arundinacea J. P. Smith, J. O. Sawyer 2011-6-25 13260 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  CAS-BOT-BC278737  Festuca idahoensis Elmer I. Applegate 1935-6-8 9436 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  CHSC91228  Festuca idahoensis Lowell Ahart; John Dittes 2005-6-10 12100 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  POM258966  Festuca idahoensis C. L. Hitchcock, J. S. Martin 1939-7-9 5321 Siskiyou Half mile southeast of King's Castle, Marble Mountains. 1829 Comment
  RSA582090  Festuca idahoensis L. C. Wheeler 1934-6-10 2678 Siskiyou North Hungry Creek. Siskiyou Mountains. 1311 Comment
  LA13105  Festuca idahoensis J. R. Swallen; 1938-7-15 sn Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  CAS-BOT-BC278874  Festuca occidentalis John Thomas Howell 1937-7-22 13259 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UCD37079  Festuca occidentalis Beecher Crampton 1956-8-21 3814 Siskiyou 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UC197109  Festuca pratensis Geo. D. Butler 1909-8-16 862 Siskiyou near Yreka (along creek) Comment
  UC618987  Festuca pratensis H. S. Yates 1936-6-21 5866 Siskiyou 6 mi n Gazelle; Yreka Quad. 792 Comment
  UCD66286  Festuca roemeri A. A. Heller 1921-7-17 13580 Siskiyou Toward the head of Wagon Creek, Mt. Eddy. 2286 Comment
  CAS-BOT-BC53262  Frangula californica subsp. californica A. A. Heller 1916-7-22 12490 Siskiyou East side of Mt. Eddy Comment
  SEINET7417474 Image available Frangula purshiana A. A. Heller 1915-1 12132 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1189 Comment
  SBBG26936  Frangula purshiana subsp. purshiana D. K. Kildale 1928-7-3 Siskiyou Little N Fork Salmon River, Sawyers Bar-Etna Mills Rd Comment
  UCD113133  Frangula rubra Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1716 Comment
  CAS-BOT-BC59551  Frangula rubra subsp. rubra Doris K. Kildale; J. W. Gillespie 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  CAS-BOT-BC59598  Frangula rubra subsp. rubra A. A. Heller 1905-6-22 8087 Siskiyou Between Igerna and Weed 1158 Comment
  CAS-BOT-BC59599  Frangula rubra subsp. rubra A. A. Heller 1905-6-22 8087 Siskiyou Between Igerna and Weed Comment
  UC1949127  Frasera albicaulis var. nitida Barbara Ertter 1990-7-14 9304 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  RSA134341  Fraxinus latifolia Percy C. Everett, E. K. Balls 1959-10-24 23948 Siskiyou 3.3 mi NW from Forks along Salmon River, Sawyers Bar to Somesbar. 366 Comment
  UC375205  Fritillaria affinis Geo. D. Butler 1910-3-15 1348 Siskiyou Greenhorn Mountain Comment
  RSA17445  Fritillaria affinis Elmer I. Applegate 1932-4-16 7064 Siskiyou Klamath River, between Hamburg and Seiad Valley Comment
  HSC36976  Fritillaria atropurpurea J. P. Smith 1974-5-26 7580 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC39326  Fritillaria atropurpurea J. P. Smith 1974-5-26 7378 Siskiyou Along FS Rd. 47N03 1524 Comment
  CHSC27778  Fritillaria recurva K. Bridwell 1978-4-15 89 Siskiyou Along Topsy Turvy Rd, ca. 0.5 mi s of Calif.-Oregon border. 1005 Comment
  CAS-BOT-BC504468  Fritillaria recurva Geo. D. Butler 1909-4-14 596 Siskiyou Humbug Road Comment
  HSC30288  Galium aparine William J. Ferlatte 1969-6-25 1185 Siskiyou Big Flat 1524 Comment
  UC28171  Galium aparine T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC29326  Galium bifolium Frederick W. Oettinger 1969-7-9 937 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  SEINET12285342  Galium bifolium H. P. Chandler 1901-1 1645 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  RSA264981  Galium glabrescens Gilbert Muth 1975-7-29 s.n. Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  HSC104308  Galium glabrescens subsp. glabrescens Dana York 2012-7-21 3144 Siskiyou Rogue River-Siskiyou National Forests; Siskiyou Mountains, Red Buttes Wilderness, a few meters below summit of Red Butte 2043 Comment
  JEPS27425  Galium glabrescens subsp. glabrescens Lauramay T. Dempster and Clare Hardham 1961-7-3 1875 Siskiyou w face Scott Mountain (se of Callahan); w face of Scott Mountain Comment
  UC1185275  Galium glabrescens subsp. glabrescens H. E. Brown Jun 1 1897-Jun 15 1897 435 Siskiyou n side Mt. Shasta 1524 Comment
  HSC33318  Galium glabrescens subsp. glabrescens William J. Ferlatte 1974-7-25 1585 Siskiyou Dorleska Summit; Grouse Ridge, 100 yds. S of summit 2104 Comment
  UCSB17111  Galium glabrescens subsp. glabrescens Hardham, Clare 1961-6-30 Siskiyou White Moutnain, Siskiyou Mountains Comment
  RSA261381  Galium grayanum var. grayanum J. M. Tucker, L. K. Mann, Sandra L. Holloway 1963-8-18 3755 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  CAS-BOT-BC223194  Galium serpenticum subsp. scotticum L. B. Kildale 1930-6-1 9844 Siskiyou Mill Creek near Etna Mills Comment
  POM68802  Galium trifidum Geo. D. Butler 1910-7-9 1691 Siskiyou Shackleford Creek. 1220 Comment
  HSC60825  Galium triflorum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1524 Comment
  HSC61496  Galium triflorum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC27680  Galium triflorum Carl W. Mize 1972-6-10 48 Siskiyou Draw below Steinacher Creek Rd. 366 Comment
  JEPS51840  Garrya buxifolia Geo. D. Butler 1908-8-5 40 Siskiyou Wooley Creek; Marble Mts. 1645 Comment
  CAS-BOT-BC192148  Garrya fremontii L. E. Smith 1913-4-2 s.n. Siskiyou near Castle Crags Station Comment
  HSC40240  Garrya fremontii J. P. Smith 1976-5-5 8690 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  RSA138231  Garrya fremontii Percy C. Everett, E. K. Balls 1959-10-24 23947 Siskiyou Forks of Salmon, on road from Sawyers Bar to Somesbar 381 Comment
  UC21601  Garrya fremontii Thos. Howell Apr 1892 1437 Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC94901  Gayophytum diffusum subsp. parviflorum R. C. Wenk 2005-7-15 200 Siskiyou Trinity Alps, above South Fork of Salmon River, along the Yellow Rose Mine Trail 1645 Comment
  POM254607  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1940-8-22 15485 Siskiyou Mount Shasta: Squaw Valley Creek meadows 2439 Comment
  JEPS93875  Gayophytum heterozygum Vernon H. Oswald and Lowell Ahart 1998-7-21 9316 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  POM204499  Gayophytum humile Louis C. Wheeler 1934-6-22 2770 Siskiyou Siskiyou Mountains: Cottonwood Creek, Mt. Diablo Mer. 1006 Comment
  UCD18944  Gayophytum ramosissimum A. H. Murphy 1956-8-14 56 E Siskiyou Klamath National Forest, Little Mill Creek Meadows. 2011 Comment
  SD76147  Gentiana calycosa Helen Witham 1969-10-4 546 Siskiyou Kangaroo Lake, Granite Cliffs, west face Comment
  RSA392178  Gentiana calycosa M. B. Dunkle 1944-8-2 9304 Siskiyou Marble Mountains, Klamath National Forest. 2439 Comment
  HSC91302  Gentiana newberryi Jennifer Whipple 1976-7-24 1562 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  NY297643  Gentiana plurisetosa C. C. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  RSA238868  Gentiana plurisetosa Frederick W. Oettinger 1969-8-8 1302 Siskiyou Sundew Bog due E of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  POM76338  Gentiana plurisetosa Geo. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek. 1220 Comment
  SEINET191268  Gentiana setigera C. C. Harris, S. K. Harris 1939-8-29 976 Siskiyou Marble Mt. Wld Area; Half Moon Meadow. 1670 Comment
  HSC75190  Geum triflorum K. T. Stillman 1976-6-26 111 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  JEPS95305  Gilia capillaris Vernon H. Oswald and L. Ahart 1994-7-11 6399 Siskiyou T39N R6W SE1/4 SE1/4 Sec. 23, 6240 ft, Red Fir Forest. Junction of Forest Rd. 26 (to Mt. Shasta) and Forest Rd. 40N45 (to Deadfall Lakes Trailhead), 1.0 mi N of Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir 1901 Comment
  HSC49902  Gilia capitata subsp. capitata Maralyn O'Meara 1974-5-25 437 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UC922455  Gilia capitata subsp. capitata Annie M. Alexander and Louise Kellogg 1949-7-21 5825 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  SEINET10934814  Glyceria cookei William B. Cooke 1940-7-12 Cooke 15312 Siskiyou Box Canyon of Sacramento River near Shasta City Comment
  CAS-BOT-BC283885  Glyceria declinata Wm. Bridge Cooke 1942-7-3 16365 Siskiyou In the Box Canyon of Sacramento River, near Mount Shasta City Comment
  HSC22312  Glyceria elata J. O. Sawyer 1969-7-11 862 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC31080  Glyceria striata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1234 Siskiyou Marble Mtn. Wilderness Area, rocky N slope on S side of Pine Lake 1951 Comment
  RSA238349  Glyceria striata Frederick W. Oettinger 1969-9-4 1654 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC204798  Glyceria striata Geo. D. Butler 1910-7-14 1781 Siskiyou Shackleford Creek 1219 Comment
  UC246741  Gnaphalium palustre H. E. Brown Jul 15 1897-Jul 31 1897 531 Siskiyou s side Mt. Shasta 1524 Comment
  HSC27620  Goodyera oblongifolia Carl W. Mize 1972-8-19 106 Siskiyou 732 Comment
  UC202446  Grindelia hirsutula A. A. Heller 1917-9-7 12979 Siskiyou 10 mi s Gazelle (Shasta Valley); ; Shasta valley S of Gazelle, Siskiyou Co. 914 Comment
  SD204926  Gymnosteris parvula R. F. Thorne 1969-8-2 63392 Siskiyou Klamath Ranges region: Klamath National Forest, Salmon Mountains; Marble Mountain Wilderness, along trail to English Peak. 1159 Comment
  CAS-BOT-BC388472  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou N. limits of Macdoel Comment
  HSC23596  Hackelia bella J. O. Sawyer 1969-7-18 1437 Siskiyou 1951 Comment
  JEPS2565 Image available Hackelia californica C. G. Pringle 1881-8-23 Siskiyou Mount Shasta Comment
  RSA235938  Hackelia californica J. L. Gentry Jr., David Vierig 1968-6-18 2065 Siskiyou 12.1 miles northwest of Siskiyou-Shasta Co. line on Calif. Hwy. 89. Comment
  UC1713303  Hackelia micrantha Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  UC54749  Hackelia micrantha Harley P. Chandler June, 1901 1604 Siskiyou near Marble Mountain; Northern Coast Ranges 1828 Comment
  POM258915  Hackelia micrantha C. L. Hitchcock, J. S. Martin 1939-7-6 5219 Siskiyou On Takilma-Happy camp road. 1677 Comment
  RSA68886  Hackelia setosa A. E. Culbertson 1943-7-3 70 Siskiyou Castle Lake, 14 miles s.w. of Mt. Shasta on n. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  JEPS25856  Hastingsia alba Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7488 Siskiyou 6.2 mi above and sw Callahan (seven mi below and ne of road summit on road from Cecilville to Callahan) Comment
  RSA299411  Hastingsia alba W. L. Jepson 1914-8-13 5789 Siskiyou Sisson. 1098 Comment
  HSC19549  Hastingsia serpentinicola J. O. Sawyer 1969-7-24 1505 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC69105  Hastingsia serpentinicola Maralyn A. Renner 1980-8-6 2302 Siskiyou Cracker Meadow 1555 Comment
  HSC61972  Hazardia whitneyi var. discoidea Al Hobart 6 Aug [year missing] Siskiyou Preston Peak 2073 Comment
  CAS-BOT-BC306740  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou Lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  CAS-BOT-BC306751  Helenium bigelovii Doris K. Kildale 1929-7-20 8704 a Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  HSC76945  Helenium bigelovii K. T. Stillman 1976-9-9 479 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  UC1040699  Helenium bigelovii Beecher Crampton 1956-8-21 3809 Siskiyou slopes above Gumboot Lake (headwaters of river); south fork Sacramento River 1920 Comment
  CAS-BOT-BC306732  Helenium bigelovii Wm. Bridge Cooke 1940-7-5 15260 Siskiyou Mount Shasta. Throughout Wagon Camp Comment
  RSA696014  Helenium bigelovii Barbara Ertter, Julie Kierstead, James Nelson 1990-7-15 9353 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  CAS-BOT-BC314841  Helianthella californica var. shastensis L. E. Smith 1914-5-21 707 Siskiyou Dunsmuir Comment
  CLARK-A1528-7877  Helianthus bolanderi John C. Roos 1948-9-1 3981 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC305571  Helianthus bolanderi L. R. Abrams 1927-9-11 12139 Siskiyou Shasta Valley, Yreka to Gazelle Comment
  HSC48341  Hemizonella minima Maralyn O'Meara 1974-5-25 413 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  UC165250  Hemizonella minima Geo. D. Butler 1909-6-13 801 Siskiyou Moffitt Creek Comment
  SEINET10460707  Heterocodon rariflorum Edwin B. Copel 1903-9-6 Copeland 3847 Siskiyou IGERNA, 3800 Comment
  JEPS24029  Heterotheca oregona var. rudis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6893 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  UC166203  Heterotheca oregona var. rudis Geo. D. Butler 1908-8-27 321 Siskiyou Oro Fino, old mining dump Oro Fino Comment
  SEINET3166883  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-16 8496 Siskiyou E of Etna. On road to Gazelle, just NE of CA-3; 9.8 km S of road to Managaroo Lake Comment
  JEPS31851  Heterotheca villosa var. minor Geo. D. Butler 1908-8-8 338 Siskiyou Marble Valley 1676 Comment
  JEPS94836  Heterotheca villosa var. minor Vernon H. Oswald and Lowell Ahart 1998-9-8 9607 Siskiyou 2 air mi nw of Indian Springs Mountain (USFS 3 0.1 mi w of Julia Glover Flat, 6 air mi w of Mosquito Lake and Whitehorse Flat Reservoir) 1127 Comment
  RSA261514  Heterotheca villosa var. minor J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3753 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  CAS-BOT-BC420703  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SFV8670  Heuchera merriamii J. M. Tucker 1963-8-19 3773 Siskiyou Klamath Mountains Marble Mountain Wilderness Area. Headwaters of Canyon Creek at the east base of Marble Mountain. 1951 Comment
  RSA0063196  Heuchera merriamii John T. Howell 1937-7-24 13400 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  SEINET12215277  Heuchera micrantha M. Ownbey, Meyer, F. G. 1940-1 2175 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  UC455375  Heuchera micrantha var. erubescens I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  JEPS104860  Heuchera pringlei Dean W. Taylor 1996-7-12 15793 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  NY186042  Heuchera pringlei C. G. Pringle 1881-8-14 s.n. Siskiyou Castle Lake 1828.8 Comment
  JEPS49752  Heuchera rubescens Geo. D. Butler 1908-7-4 216 Siskiyou Shasta River near Reeders; Shasta River Comment
  UC455917  Hieracium greenei I. J. Condit 1911-7-22 Siskiyou Trail to Horse Camp; Mt. Shasta 1524 Comment
  RSA170206  Hieracium greenei Joseph P. Tracy 1949-9-15 18559 Siskiyou Blue Ridge on road between Cecilville and sawyer's Bar, near the summit. Salmon Mountains. 1585 Comment
  CAS-BOT-BC316007  Hieracium nudicaule H. A. Thomas; J. H. Thomas 1954-7-25 4524 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC316014  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  CAS-BOT-BC316021  Hieracium scouleri P. A. Munz 1951-7-17 16602 Siskiyou Grasshopper Public Camp 2.5 mi. n.w. of Stuart Gap, North Yolla Bolly Mts. 1371 Comment
  OBI49175  Hieracium scouleri Lewis S. Rose 1937-1-25 37590 Siskiyou S slope of Mt Shasta 1768 Comment
  UC134363  Hieracium scouleri unknown 1892-6-28 Siskiyou Jaynesville Comment
  UC1409289  Hieracium triste Frederick W. Oettinger 1969-9-5 1673 Siskiyou Upper English Lake; Marble Mountain Wilderness Area. 1798 Comment
  UC922282  Hieracium triste Annie M. Alexander and Louise Kellogg 1949-7-29 5896 Siskiyou above Sky High Lake; Marble Mountains. Near Hiddenlake 1859 Comment
  HSC29375  Holodiscus discolor Frederick W. Oettinger 1969-8-16 1412 Siskiyou English Lake trail 1829 Comment
  HSC31802  Holodiscus discolor Steve Selva, Roger Jensen 1974-8-16 2 Siskiyou N facing slopes above Sugar Lake Comment
  HSC45194  Holodiscus discolor J. O. Sawyer, E. Cope 1977-6-21 2989 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  POM91535  Holodiscus discolor Geo. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek. 915 Comment
  CAS-BOT-BC152372  Holodiscus discolor var. discolor Alice Eastwood 1912-8-30 1990 Siskiyou Mount Eddy Comment
  RSA555250  Holodiscus microphyllus var. microphyllus Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38989 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
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Sep 13 2009
  CDA25947  Horkelia daucifolia T. C. Fuller 1962-5-18 8747 a Siskiyou West side of Shasta Valley, Giebner property, 2 miles south of Yreka. 0 Comment
  UC329976  Horkelia daucifolia J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
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Jun 26 2012
  HSC75114  Horkelia daucifolia var. daucifolia J. P. Smith, Thomas W. Nelson 1979-6-15 10125 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  RSA166288  Horkelia tridentata Donald Myrick 1961-6-22 315 Siskiyou On Hwy 89 near McCloud. 915 Comment
  CAS-BOT-BC539438  Horkelia tridentata var. tridentata A. A. Heller 1916-8-24 12565 Siskiyou Near Sisson 1074 Comment
  HSC4898  Hosackia oblongifolia var. oblongifolia J. O. Sawyer 1968-7-10 518 Siskiyou S side of Sugar Creek. 1616 Comment
  SBBG25908  Hosackia oblongifolia var. oblongifolia D. Myrick 1966-8-10 1545 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  POM54129  Hulsea nana E. B. Copeland 1903-8-16 3832 Siskiyou Mount Shasta 3201 Comment
  POM74210  Hydrophyllum fendleri var. albifrons Geo. D. Butler 1910-7-9 1720 Siskiyou Wooly Creek. 1677 Comment
  CAS-BOT-BC400987  Hypericum anagalloides H. A. Thomas; J. H. Thomas 1954-7-23 4461 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  JEPS66830  Hypericum formosum var. scouleri Geo. D. Butler 1908-7-21 5 Siskiyou Oro Fino 762 Comment
  CAS-BOT-BC401471  Hypericum scouleri Geo. D. Butler 1910-7-3 1627 Siskiyou Goosenest foothills 1219 Comment
  JEPS5829  Idahoa scapigera F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  CHSC1031  Iliamna bakeri V. Holt 1932-7-17 Siskiyou Mt. Shasta Flats. 1158 Comment
  HSC30078  Ipomopsis aggregata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19534 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  HSC76886  Ipomopsis aggregata K. T. Stillman 1976-6-27 146 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  HSC44589  Ipomopsis aggregata Laura Witherspoon 1977-7-13 Siskiyou 1/2 mi. before Flint Valley on the G-O Rd. 1220 Comment
  RSA237944  Ipomopsis aggregata subsp. formosissima Frederick W. Oettinger 1967-7-26 198 Siskiyou Northeastern end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  CDA39596  Iris missouriensis T. C. Fuller 1962-6-13 8983 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  CDA2714  Iris pseudacorus T. C. Fuller 1958-6-19 1797 Siskiyou South of road between Yreka & Montague. 0 Comment
  UC705594  Iris tenuissima Marion Ownbey and D. H. Brown 1941-6-22 2421 Siskiyou just s Craggy Mountain (nw of Yreka) Comment
  UC1174790  Iris tenuissima L. W. Lenz 1953-5-17 18313 Siskiyou 1.25 mi above Salmon River junction with Klamath (along Salmon River); Salmon River 176 Comment
  HSC100247  Isatis tinctoria J. P. Smith, & J. O. Sawyer 2010-5-2 12799 Siskiyou River access road, on the Salmon River. 164 Comment
  HSC91425  Isoetes bolanderi Jennifer Whipple 1977-8-6 2245 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA237984  Isoetes occidentalis Frederick W. Oettinger 1969-8-7 1268 Siskiyou W end of English Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1753 Comment
  JEPS93950  Iva axillaris subsp. robustior Vernon H. Oswald and Lowell Ahart 1998-9-16 9631 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near junction of Meiss Lake-Sams Neck Road and Hwy 97); Butte Valley National Grassland 1295 Comment
  CAS-BOT-BC135375  Ivesia gordonii Alice Eastwood 1912-8-30 2028 Siskiyou Mount Eddy Comment
  JEPS91218  Ivesia gordonii Dean W. Taylor 1988-7-10 9963 Siskiyou summit ridge Mt. Eddy 2750 Comment
  HSC76638  Ivesia gordonii var. alpicola K. T. Stillman 1976-6-25 60 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  JEPS116580  Juncus Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -021 Siskiyou The Eddys, west of Mt. Shasta. wet seep adjacent to unmamed tributary to Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mi N of Middle Fork crossing; Mt. Eddy 1693 Comment
  CAS-BOT-BC110017  Juncus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  CDA34727  Juncus articulatus L. Ahart, John Dittes 2010-7-3 16962 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  RSA368201  Juncus articulatus J. P. Smith 1978-7-1 9995 Siskiyou Klamath National Forest; O Neill Creek Campground. 488 Comment
  HSC71107  Juncus balticus subsp. ater Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4502 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC92707  Juncus balticus subsp. ater Jennifer Whipple 1976-7-8 1356 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  HSC46746  Juncus balticus subsp. ater William J. Ferlatte 1974-7-26 1597 Siskiyou Big Flat near S Fork of Salmon River, 100 m W of campground 1524 Comment
  HSC93820  Juncus balticus subsp. ater Jennifer Whipple 1976-7-2 1250 Siskiyou Near edge of Dobkins Lake 2073 Comment
  JEPS107851  Juncus balticus var. balticus Lowell Ahart, John Dittes 2005-6-9 12043 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 280 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC637023  Juncus bolanderi Edward Lee 1934-8-13 1057 Siskiyou 4 mi n Happy Camp; Klamath National Forest, Indian Creek 411 Comment
  JEPS66928  Juncus bufonius var. occidentalis B. C. Goldsmith 1916-9-9 21 a Siskiyou Klamath Hot Springs Klamath River Comment
  HSC30698  Juncus covillei Frederick W. Oettinger 1969-8-18 1419 Siskiyou Marble Mtn. Wilderness Area, NW shore of Horse Range Lake 1822 Comment
  LA19938  Juncus drummondii Wm. Bridge Cooke; 1939-7-13 13655 Siskiyou Mt. Shasta, near Squaw Creek 2285 Comment
  RSA215594  Juncus drummondii Gilbert Muth 1969-8-8 1285 Siskiyou Gap Meadow, Boulder Peak Ridge. 2287 Comment
  UCD77267  Juncus drummondii Robert E. Preston 2001-6-23 1555 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1767 Comment
  HSC62306  Juncus ensifolius Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  RSA238898  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger 1969-8-24 1520 Siskiyou Inlet of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC22182  Juncus mertensianus J. O. Sawyer 1968-7-22 554 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC22185  Juncus mertensianus J. O. Sawyer 1969-8-5 1748 Siskiyou W of Little Duck Lake 2073 Comment
  UC1106413  Juncus mertensianus Peter Kamb 1949-8-25 1486 Siskiyou above Horse Camp (sw slope of Mt. Shasta); Mt. Shasta 2621 Comment
  HSC96563  Juncus mertensianus Gordon Leppig, J. Kalt 1996-7-9 355 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA238905  Juncus mertensianus Frederick W. Oettinger 1969-9-2 1599 Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  JEPS74127  Juncus mexicanus Geo. D. Butler 1909-5-23 859 Siskiyou near Yreka Comment
  POM119126  Juncus mexicanus Geo D. Butler 1910-5-26 1409 Siskiyou Yreka. Comment
  UC1265308  Juncus nevadensis Frederick W. Oettinger and R. F. Thorne 1969-8-6 1241 Siskiyou nnw of Pine Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1882 Comment
  RSA233671  Juncus parryi Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38978 Siskiyou Mt. Shasta National Forest; S slope of Mt. Shasta. 2317 Comment
  RSA240065  Juncus xiphioides Frederick W. Oettinger 1969-8-12 1335 Siskiyou Near The Cedars on North Fork of Salmon River. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 915 Comment
  HSC40469  Juniperus communis var. jackii J. O. Sawyer 1973-7-18 2553 Siskiyou 1524 Comment
  CAS-BOT-BC81223  Juniperus occidentalis Anderson 1925-10-1 s.n. Siskiyou 10 miles north of Edgewood Comment
  JEPS48300  Juniperus occidentalis W. L. Jepson 1940-6-23 19966 Siskiyou e of Mayton (e side of Little Shasta Valley, in Juniper colony); Little Shasta Valley 883 Comment
  CAS-BOT-BC81243  Juniperus occidentalis W. R. Dudley 1899-8-21 s.n. Siskiyou Along the stage road to Callahan's (Willow Creek) Comment
  NY20170  Juniperus occidentalis Miss Herzinger 11 1903 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA649266  Juniperus occidentalis var. occidentalis David J. Keil 1983-7-3 17378 Siskiyou 11 miles NE of junction with SR 3 along Gazelle - Callahan Road Comment
  HSC4849  Kalmia polifolia J. O. Sawyer 1968-6-25 314 Siskiyou Along Horse Range Creek 1829 Comment
  UC1037376  Kalmia polifolia subsp. microphylla Douglas Barbe 1955-7-6 125 Siskiyou se shore of Taylor Lake Taylor Lake; Klamath Mountains, Salmon Mountains, Taylor Lake 1950 Comment
  UC412684  Kalmia polifolia subsp. microphylla Annie M. Alexander and Louise Kellogg 1911-6-15 146 Siskiyou Jackson Lake Comment
  UC60949  Keckiella lemmonii Geo. B. Grant Sep 1902 4189 Siskiyou Dunsmuir Comment
  SD64363  Kochia scoparia Darley F. Howe 1966-8-27 4308 Siskiyou 3.2 miles north of Tule Lake. 1310 Comment
  SEINET516315  Kochia scoparia Vernon H. Oswald 1998-9-16 9634 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  CAS-BOT-BC341691  Lagophylla ramosissima A. A. Heller 1919-6-27 13279 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC2259  Lagophylla ramosissima Geo. D. Butler 1910-6-2 1448 Siskiyou Yreka Comment
  UC165391  Lagophylla ramosissima Geo. D. Butler 1910-6-2 1448 Siskiyou Yreka Comment
  RSA406668  Lathyrus Louis C. Wheeler 1934-6-8 2662 Siskiyou Beaver Creek. 1220 Comment
  UC1185308  Lathyrus brownii H. E. Brown 1897-6-10 391 Siskiyou near Sisson; ; near Sisson, Siskiyou Co. 1083 Comment
  CAS-BOT-BC204984  Lathyrus jepsonii var. californicus Lewis S. Rose 1945-6-18 45137 Siskiyou Horse Creek & Klamath River 502 Comment
  POM253569  Lathyrus polyphyllus C. L. Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-6 5209 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  HSC61500  Lathyrus tracyi Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  RSA17691  Layia glandulosa subsp. glandulosa Elmer I. Applegate 1935-6-2 9263 Siskiyou Lyons road near Juniper Butte, Lava Beds national Monument. Comment
  RSA105420  Lemna G. D. Barbe 1955-6-29 50 Siskiyou 4.1 miles southeast of Etna on the Eastside road 915 Comment
  JEPS107391  Lemna minuta Lowell Ahart, John Dittes 2005-6-10 12110 Siskiyou At intake pipe, at pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UCD115479  Lepidium densiflorum R. Tofsrud Date unknown s.n. Siskiyou location unknown. Comment
  CDA3796  Lepidium latifolium J. R. Grisham 1967-9-25 Siskiyou Indian Tom Lake, Dorris. 0 Comment
  SEINET3148906  Lepidium medium G. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  NY76304  Lepidium montanum subsp. canescens L. C. Wheeler 1935-6-30 3639 Siskiyou 3 miles south of Grenada, Shasta Valley 792.5 Comment
  UC1126705  Lepidium perfoliatum L. Whitney 1934-6-23 4 Siskiyou Tennant Dorris Quad., Antelope Creek 1463 Comment
  CDA36794  Lepidium perfoliatum D. B. Joley 1976-6-24 2 Siskiyou Mt. Shasta City. 0 Comment
  HSC6831  Lepidium perfoliatum R. C. Wunner 1965-6-13 153 Siskiyou California Lava Beds National Monument, across Devil's Homestead 1296 Comment
  UCD115842  Lepidium perfoliatum Freed W. Hoffman 1948-7-7 2545 Siskiyou Near junction of Aetna and Ft. Jones roads. Comment
  JEPS2687 Image available Leptodactylon pungens W. L. Jepson 1940-6-23 19994 Siskiyou (e of) Mayten; Little Shasta Valley Comment
  HSC45991  Leptosiphon harknessii J. P. Smith, Steve Selva 1970-6-16 4020 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  JEPS53789  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek Comment
  CAS-BOT-BC341897  Lessingia nemaclada Edward Lee 1934-8-11 1041 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 441 Comment
  JEPS20610  Lessingia nemaclada W. L. Jepson 1914-8-14 6168 Siskiyou Dunsmuir 670 Comment
  CAS-BOT-BC341901  Lessingia nemaclada W. R. Dudley 1899-8-23 s.n. Siskiyou Near Callahan's Comment
  CAS-BOT-BC342100  Leucanthemum vulgare Dorothy Parker 1946-7-29 s.n. Siskiyou Plowman's Valley 1188 Comment
  UC61078  Leucanthemum vulgare W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson; Mount Shasta Comment
  CHSC4282  Leucothoe davisiae D. Parker 1965-7-24 894 Siskiyou At edge of Horseshoe Lake, Salmon mt. 1859 Comment
  RSA238389  Leucothoe davisiae Frederick W. Oettinger 1967-8-3 230 Siskiyou Borner at the N. end of Diamond Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  RSA659527  Leucothoe davisiae Gary D. Wallace 1990-7-1 2954 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  RSA760933  Leucothoe davisiae R. F. Thorne, Frederick W. Oettinger 1969-8-4 63378 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2073 Comment
  UC1409437  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou at n end of Little Hancock Lake, in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Little Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, Little Ha 2042 Comment
  UC1951316  Leucothoe davisiae Robert F. Thorne and Fred Oettinger 1969-8-4 63378 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. At margin of Diamond Lake. Comment
  UC1312936  Lewisia Sandra L. Holloway, J. M. Tucker, and L. K. Mann 1963-7-9 76 Siskiyou near e base of Marble Mountain Marble Mountain Wilderness Area, Marble Mountain 1950 Comment
  SEINET4903945  Lewisia columbiana Jack Seely 1991-5-27 s.n. Siskiyou Klamath National Forest, West Branch (2200 ft) Forest service Camp Ground, Poker Flats (5200 ft) a high mountain meadow. Comment
  RSA464463  Lewisia cotyledon L. C. Wheeler 1934-8-2 3034 Siskiyou Head of Rocky Gulch of Jaynes Canyon. Mt. Diablo Mer. 2134 Comment
  SEINET10535585  Lewisia cotyledon Imper 1983-1 IMPER s.n. Siskiyou Del norte co line. Preston peak quad. T17n,r5e,sec.17. Ca 1 mile sw of cracker Meadows on fringe of large active slide area. Fine granitic material, with Brewer spruce, red fir, l. Leana and l. Leana x l. Cotyledon var. Cotyledon, Found at lower elev. On more granitic material 1676 Comment
  JEPS17195  Lewisia cotyledon var. cotyledon W. L. Jepson 1907-7-4 2817 Siskiyou Shackelford Canyon Comment
  UC163731  Lewisia cotyledon var. cotyledon Geo. D. Butler 1909-7-20 460 Siskiyou Highland Mine Comment
  SEINET5336465  Lewisia cotyledon var. howellii G. Butler 1910-6-5 1527 Siskiyou Loy Lake. Comment
  HSC69552  Lewisia leeana Maralyn A. Renner 1980-6-26 1294 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UCD13276  Lewisia leeana K. F. Mawdsley 1996-7-9 10 Siskiyou California, Siskiyou County. Russian Wilderness in Klamath NF. T40N, R9w, NW 1/4 of Section 19, Eaton Peak 7.5 topo. Elevation 6680. Comment
  CAS-BOT-BC444088  Lewisia leeana Geo. D. Butler No date on label 1687 Siskiyou Unspecified Comment
  RSA237452  Lewisia leeana Frederick W. Oettinger 1968-8-4 391 Siskiyou SE slope at the gap where the English Peak-Hancock Lake trail crosses the Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  CAS-BOT-BC444306  Lewisia pygmaea Wm. Bridge Cooke 1939-7-13 13668 Siskiyou Mount Shasta. In The South Gate. Comment
  CAS-BOT-BC444579  Lewisia triphylla Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  CAS-BOT-BC444584  Lewisia triphylla Gilbert Muth 1966-7-14 388 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  SEINET4175850 Image available Lewisia triphylla Sally Walker 1983-8-23 Siskiyou Mt Shasta 2896 Comment
  POM112699  Leymus cinereus Geo D. Butler 1910-6-13 1561 Siskiyou Fence runs near Yreka Comment
  HSC69013  Ligusticum californicum Maralyn A. Renner 1980-7-24 2028 Siskiyou Lily Pad Lake 1768 Comment
  JEPS24032  Ligusticum grayi Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6896 Siskiyou Siskiyou Mts., Poker Flat 1536 Comment
  POM82380  Ligusticum grayi Geo. D. Butler 1908-8-7 461 Siskiyou Whiskey Camp, Independence Creek Comment
  CAS-BOT-BC509365  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC509366  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC509369  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC509377  Lilium kelleyanum John Thomas Howell 1939-8-3 14949 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC164032  Lilium pardalinum Geo. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  CAS-BOT-BC130871  Lilium pardalinum subsp. wigginsii A. M. Vollmer; L. Beane 1953-7-1 112 Siskiyou Hamburg, Klamath River Comment
  UCR93359  Lilium pardalinum subsp. wigginsii Kathy Harper, Dane Karr 1994-6-15 s.n. Siskiyou N of Happy Camp, opposite 7121 Indian Creek Road, off Calif. Hwy 96 Comment
  SEINET3887245  Lilium washingtonianum Alv Dan Youngberg 1964-7-17 86 Siskiyou Humbolt Meridian.; 0 1067 Comment
  CAS-BOT-BC133017  Lilium washingtonianum subsp. purpurascens Marion Ownbey; Fred G. Meyer 1940-7-6 2196 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  HSC36707  Lilium washingtonianum subsp. purpurascens Brent Whiteley 1975-7-1 116 Siskiyou 671 Comment
  CAS-BOT-BC133104  Lilium washingtonianum subsp. washingtonianum Wm. Bridge Cooke 1938-7-22 11328 Siskiyou Sisson Southern Trail 1524 Comment
  RSA74742  Lilium washingtonianum var. washingtonianum Albert M. Vollmer, L. Beane 1951-07 186 Siskiyou Mt. Shasta Comment
  HSC3909  Linnaea borealis subsp. longiflora Dorothy Parker 1949-8-12 363 Siskiyou Along banks of Duck Lake Creek, Salmon Mtns. 1524 Comment
  HSC4865  Linnaea borealis subsp. longiflora J. O. Sawyer 1968-7-10 492 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  RSA0081335  Linnaea borealis subsp. longiflora I. L. Wiggins 1955-7-23 13467 Siskiyou W of China Creek, S side of S fork of Salmon River. 1098 Comment
  UC22857  Linnaea borealis var. longiflora C. B. Bradley 1879-1 Siskiyou near Mt. Shasta; near Mt. Shasta Comment
  UC726397  Linnaea borealis var. longiflora A. A. Heller 1919-6-20 13259 Siskiyou Metcalfs Comment
  HSC4907  Listera caurina J. O. Sawyer 1968-7-10 484 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC61926  Listera caurina Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  HSC61604  Listera convallarioides Ruby Van Deventer 12 Jul [year missing] Siskiyou Lookout Mountain Comment
  SEINET6032568  Lithophragma glabrum G. D. Butler 1910-3-18 1132 Siskiyou Block 5, Yreka Comment
  UCD58332  Lithospermum arvense Steve Orloff 2007-5-22 1 Siskiyou On Island Road in Scott Valley just south of Ft. Jones. Comment
  SEINET7073519  Lomatium congdonii A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
  SEINET10903129  Lomatium dissectum LeRoy E. Detling 1947-6-4 Detling 6116 Siskiyou Slater Butte. 1067 Comment
  UC165418  Lomatium dissectum var. multifidum Geo. D. Butler 1909-5-8 746 Siskiyou hill near Yreka Comment
  HSC69021  Lomatium macrocarpum Maralyn A. Renner 1980-7-24 2013 Siskiyou Lily Pad Lake 1768 Comment
  OBI81750  Lomatium macrocarpum Tracey Call, Viola Call 1964-6-22 2279 Siskiyou Montague Rd. 5 miles west of Mt. Hebron town Comment
  POM211470  Lomatium macrocarpum L. C. Wheeler 1934-6-18 2729 Siskiyou West Fork Cottonwood Creek. 1509 Comment
  UC1409714  Lomatium macrocarpum Melinda F. Denton 1973-6-27 2798 Siskiyou just s. of border of Klamath and Siskiyou Nat'l Forests Klamath Nat'l Forest (ca. 9 meters s. of intersection of 416C and 4007 on 416C) 1627 Comment
  SDSU2236  Lomatium marginatum D. F. Howe 1977-7-5 4995 Siskiyou 15 miles southeast of Granada. 1219 Comment
  POM82357  Lomatium triternatum Geo. D. Butler 1910-5-21 1380 Siskiyou Klamath hills Comment
  RSA238538  Lonicera conjugialis Frederick W. Oettinger 1969-8-7 1275 Siskiyou SE end of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1753 Comment
  CHSC51216  Lonicera hispidula L. P. Janeway 1984-6-21 854 Siskiyou At Ferry Point, W side of Klamath River. 289 Comment
  CAS-BOT-BC240848  Lonicera interrupta Alice Eastwood; John Thomas Howell 1936-6-13 2763 Siskiyou Junction of Klamath and Shasta rivers Comment
  HSC76875  Lonicera interrupta K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  RSA105331  Lotus nevadensis G. D. Barbe 1955-6-28 011 Siskiyou 0.2 mile north of Callanhan. 976 Comment
  CDA27289  Lotus oblongifolius var. oblongifolius T. C. Fuller 1960-7-25 4867 Siskiyou North limits Mt. Shasta City. 0 Comment
  UC862222  Lotus purshianus var. purshianus A. A. Heller 1915-7-18 12116 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CHSC1561  Luetkea pectinata V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2438 Comment
  HSC61975  Luetkea pectinata Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  CAS-BOT-BC342561  Luina hypoleuca D. H. Norris 1970-5-23 12243 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  SEINET10931722  Lupinus albicaulis subsp. shastensis Charles Piper Smith 1947-5-13 Smith 47277 Siskiyou 2.2 miles e of weed Comment
  UC865447  Lupinus albicaulis var. shastensis John Thomas Howell 1939-8-7 15115 Siskiyou Sky High Valley; Marble Mts., Sky High Valley 1828 Comment
  UC909326  Lupinus albicaulis var. shastensis Dorothy Parker 1948-8-10 180 Siskiyou forks of Etna Creek , Etna Creek (Salmon Mountain) 1176 Comment
  HSC14927  Lupinus albifrons R. Spellenberg 1964-6-20 486 Siskiyou 10 mi. NE of Weed, Hwy. 97. Comment
  UC640281  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  CAS-BOT-BC196322  Lupinus albifrons var. flumineus D. B. Dunn; B. J. Cox 1971-6-9 17937 Siskiyou 9 mi. N. of Weed, on U.S. Hwy 97, at Whitney Creek 1249 Comment
  HSC27633  Lupinus andersonii Carl W. Mize 1972-6-23 96 Siskiyou Along trail from Camp Three 610 Comment
  CHSC69078  Lupinus angustiflorus Vernon Oswald; Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake southeast of Medicine Lake. 2057 Comment
  HSC42153  Lupinus arbustus S. Saufferer 1973-5-25 229 Siskiyou About 3 mi. NE of Weed, along Hwy. 97 Comment
  UC1303128  Lupinus argenteus A. A. Heller 1928-6-9 14607 Siskiyou near the creamery at Montague Montague Comment
  SJSU6501  Lupinus argenteus R. W. Trivelpiece 1972-6-18 128 Siskiyou 3 mi W of Klamath R c. 11 mi SW of Happy Camp 853 Comment
  RSA60651  Lupinus aridus Dorothy Parker 1948-7-14 s.n. Siskiyou Scott Valley, 2 mi. from Etna. 671 Comment
  HSC71624  Lupinus bicolor J. P. Smith 1973-5-5 6570 Siskiyou Etna 793 Comment
  HSC64662  Lupinus breweri var. breweri J. O. Sawyer 1977-7-6 3028 Siskiyou S of Little Duck Lake 2134 Comment
  CAS-BOT-BC215188  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  UC1481286  Lupinus croceus M. L. Conrad, LeDoux, and Kenney 1973-6-2 6981 Siskiyou 6 mi sw Callahan; sw of Callahan 1524 Comment
  UCD19435  Lupinus croceus Charlotte K. Glenn 1967-1 158 Siskiyou Castle Lake. 1584 Comment
  CAS-BOT-BC215198  Lupinus croceus Joy D. Mastrogiuseppe 1974-9-2 168 Siskiyou W slope of ridge of Red Rock Mountain 2225 Comment
  HSC14817  Lupinus croceus Dorothy Parker 1949-5-26 Siskiyou Salmon Mtn. Range, along Sugar Creek Rd. (above Eaton Mine). 1677 Comment
  RSA68872  Lupinus croceus A. E. Culbertson 1943-6-24 84 Siskiyou Castle Lake, 5434, in a north facing cirque with an abrupt 1000 backwall, 14 miles SW of Mt Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R within 10 air miles of its headwaters to the west. Comment
  POM27188  Lupinus klamathensis Geo. D. Butler 1910-4-19 1201 Siskiyou Dry hills, Yreka. Comment
  HSC27342  Lupinus lapidicola J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5703 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  SEINET10489290  Lupinus latifolius subsp. viridifolius Kildale 1928-7-2 KILDALE 5349 Siskiyou Salmon summit via horn luck trail. 1981 Comment
  HSC25460  Lupinus lepidus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5655 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  SBBG47507  Lupinus lepidus var. lobbii M. B. Dunkle -Aug-1945 9285 Siskiyou Kings Castle, Marble Mtns Comment
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Jul 11 2010
  UC157028  Lupinus lepidus var. lobbii Geo. D. Butler 1910-9-11 1867 Siskiyou Weed Comment
  UC598746  Lupinus lepidus var. sellulus C. Hart Merriam Sept. 1898 Siskiyou Sisson Comment
  UC725689  Lupinus lepidus var. sellulus A. A. Heller 1916-7-21 12481 Siskiyou near Upton 1097 Comment
  SEINET8056238  Lupinus lepidus var. sellulus G. D. Butler 1910-9-11 1867 Siskiyou Weed Comment
  UC82074  Lupinus leucophyllus Dr. E. B. Copeland 1903-7-14 3518 Siskiyou Klamathon Comment
  HSC45900  Lupinus luteolus Laura Witherspoon 1978-8-24 107 Siskiyou Klamath National Forest 1646 Comment
  RSA25916  Lupinus luteolus Geo. D. Butler 1910-6-1 1447 Siskiyou Dry land near Yreka. Comment
  UC199283  Lupinus microcarpus var. microcarpus Annie M. Alexander and L. Kellogg 1911-6-4 112 Siskiyou Mayten Comment
  LA205153  Lupinus obtusilobus L. Ellison; 1928-9-11 512 Siskiyou Mt Shasta 2590 Comment
  SEINET11072098 Image available Lupinus onustus A. A. Heller 1905-1 21994 Siskiyou Near Sisson Comment
  POM24578  Lupinus sellulus subsp. sellulus Geo. D. Butler 1910-6-4 1500 Siskiyou Shackleford Creek. Comment
  SEINET10490992  Lupinus vallicola subsp. vallicola Katherine L. Morris 1973-6-2 Morris s.n. Siskiyou Found along roadside .7 mi s of jct at etna rd on hwy 3. Comment
  UC843071  Luzula comosa var. laxa Louis C. Wheeler 1934-6-12 2691 Siskiyou Hungry Creek Lookout, Siskiyou Mts. 1463 Comment
  HSC2419  Luzula divaricata William J. Ferlatte 1966-8-5 348 Siskiyou Caribou Mtn. 2470 Comment
  HSC92867  Luzula divaricata Jennifer Whipple 1976-7-23 1518 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2317 Comment
  RSA211370  Luzula divaricata William J. Ferlatte 1966-8-19 452 Siskiyou Head of Kidd Creek. Trinity Alps. 2134 Comment
  UCD142171  Luzula parviflora J. M. Tucker 1963-8-19 3779 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  CAS-BOT-BC231460  Lycium barbarum Louis C. Wheeler 1934-11-4 3356 Siskiyou Scott Bar, Scott River, Marble Mts. 518 Comment
  SD8618  Madia bolanderi Brandegee Jun 1887 Siskiyou Mt. Shasta Comment
  UC1185946  Madia citriodora L. E. Detling 1950-6-11 6638 Siskiyou Siskiyou Pass 1127 Comment
  UC133253  Madia elegans Dr. E. B. Copeland 1903-8-13 3820 Siskiyou Sisson 1066 Comment
  SEINET11601402 Image available Madia glomerata L. C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  CAS-BOT-BC343431  Madia gracilis John Thomas Howell 1937-7-22 13320 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC36815  Madia gracilis J. P. Smith 1974-5-27 7619 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC61072  Madia gracilis W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
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Apr 28 2007
  UCR45390  Madia gracilis D. H. Norris 1970-5-23 12233 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  HSC29116  Madia gracilis Frederick W. Oettinger 1969-8-18 1433 Siskiyou Marble Mountain Wilderness Area, English Peak vicinity, Horse Range Lake 1860 Comment
  POM208277  Madia minima L. C. Wheeler 1934-6-1 2601 Siskiyou Siskiyou Mountains: Dry Lake Lookout 2058 Comment
  RSA452625  Mahonia nervosa M. B. Dunkle 1944-6-25 9012 Siskiyou Beaver Creek, Siskiyou Mt. 1677 Comment
  HSC69332  Maianthemum stellatum John Palmer 1980-8-13 760 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  CAS-BOT-BC347359  Malacothrix floccifera Roxana S. Ferris; Laura Lorraine 1948-6-12 11756 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  UCD134395  Malacothrix floccifera Steve Selva; James Payne Smith, Jr 1970-7-15 3974 Siskiyou 1 mile west of junction California 3 and Road 8 leading to Sugar Creek. 1158 Comment
  CAS-BOT-BC140197  Malus rivularis C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  RSA434910  Malva neglecta Louis C. Wheeler 1934-9-18 3278 Siskiyou Dutch Creek off Klamath River. Siskiyou Mts., Siskiyou Co. (Mt.Diablo Mer.) 701 Comment
  CHSC61579  Melica fugax L. P. Janeway 1983-8-28 630 Siskiyou Siskiyou Mountains; at Poker Flat, western side of meadow. 1524 Comment
  CHSC86622  Melica fugax Jenny Marr 1993-7-1 5 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1222353  Melica fugax Joseph P. Tracy 1951-6-16 19479 Siskiyou Takilma-Happy Camp Road Siskiyou Mts. (summit of Siskiyou Mts, about 3 mi s of Calif State Line) Comment
  UCD87279  Melica fugax A. A. Heller 1921-7-7 13568 Siskiyou East slope of Mt. Eddy, in the Canadian Life Zone. Comment
  UCD87292  Melica fugax A. H. Murphy 1953-7-28 KNF 2 Siskiyou Deadman's Peak. 1828 Comment
  SEINET10827745  Melica fugax Lawrence P. Janeway 1983-8-28 Janeway 630 Siskiyou Preston Peak quad (15') T18N, R6E, SW1/4 of sec. 20, Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. Dry western side of the lower part of the meadow; 1524 Comment
  SEINET207388 Image available Melica geyeri Rimo Bacigalupi, Mr. & Mrs. Van Deventer 1959-7-10 7312 Siskiyou Twin Valley Siskiyou Mts. just east of Del Norte County Line; 4 airmiles north-northeast of Preston Peak 1494 Comment
  POM114778  Melica spectabilis Geo D. Butler 1910-4-19 1196 Siskiyou Yreka Comment
  UCD77855  Melica stricta Robert E. Preston 2001-6-30 1649 a Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 1889 Comment
  HSC27345  Melica subulata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5700 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UCD77852  Melica subulata Robert E. Preston 2001-6-30 1666 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC428732  Micranthes californica F. D. Douthitt 1926-3-16 4 Siskiyou Klamath National Forest. Klamath River near Horse Creek 487 Comment
  CAS-BOT-BC428983  Micranthes ferruginea John Thomas Howell 1937-7-24 13393 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC429001  Micranthes fragosa Grace Wood 1919-4-1 s.n. Siskiyou Yreka Comment
  HSC46230  Micropus californicus var. californicus Jennifer Whipple 1978-6-5 2341 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UCD77864  Microseris nutans Robert E. Preston 2002-6-20 1838 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1946 Comment
  CAS-BOT-BC349364  Microseris nutans L. E. Smith 1912-5-12 203 Siskiyou Castle Creek Comment
  CHSC88125  Microsteris gracilis Jenny Marr 1993-7-1 135 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM208263  Microsteris gracilis subsp. humilis L. C. Wheeler 1934-6-7 2650 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  HSC29399  Mimulus breweri Frederick W. Oettinger 1969-8-13 1360 Siskiyou High Lake Basins: main camp site, English Lake 1829 Comment
  HSC58963  Mimulus cardinalis Gilbert Muth 1976-7-29 Siskiyou Near Lake Mtn., close to the town of Seiad Valley 1799 Comment
  RSA237287  Mimulus guttatus Frederick W. Oettinger 1967-6-28 142 Siskiyou On Salmon River near Kelly Gulch. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 Comment
  JEPS74148  Mimulus inodorus J. M. Tucker with D. V. Hemphill 1974-7-27 4305 Siskiyou Haypress Meadows Marble Mts. Wilderness Area, Haypress Creek 1463 Comment
  HSC44938  Mimulus moschatus J. O. Sawyer 1978-6-19 3244 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  HSC29406  Mimulus moschatus Frederick W. Oettinger 1966-8-7 41 Siskiyou High Lake Basins: just below spring at Tom Taylor Cabin 2043 Comment
  UC796454  Mimulus nanus var. nanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11851 Siskiyou 1.5 mi below summit Gazelle Mountain Grade (e side of grade) 1417 Comment
  RSA261454  Mimulus nanus var. nanus J. M. Tucker 1963-7-7 3724 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  JEPS3166  Mimulus primuloides subsp. linearifolius George D. Butler 1908-8-4 452 Siskiyou head Shackleford Creek 1676 Comment
  HSC72399  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-17 4469 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC91056  Mimulus primuloides var. linearifolius Jennifer Whipple 1977-7-20 2008 Siskiyou N slopes of Mt. Eddy 2287 Comment
  RSA211423  Mimulus primuloides var. linearifolius William J. Ferlatte 1967-8-17 955 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  RSA68951  Mimulus primuloides var. linearifolius A. E. Culbertson 1943-8-30 7 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  HSC91059  Mimulus tilingii Jennifer Whipple 1976-9-3 1780 Siskiyou Mt. Eddy, W-facing slope of the ridge between Durney Lake and Little Crater Lake 2287 Comment
  LA209441  Mimulus tilingii W. B. C.; 1939-8-8 13814 Siskiyou Mount Shasta, Springs above Horse Camp along the summit trail 2514 Comment
  POM101321  Minuartia douglasii Geo. D. Butler 1909-5-2 660 Siskiyou Yreka. Comment
  CAS-BOT-BC174729  Minuartia nuttallii Louis C. Wheeler 1934-6-29 2828 Siskiyou Klamath National Forest. Soda Creek 1066 Comment
  CAS-BOT-BC174734  Minuartia nuttallii A. A. Heller 1915-8-26 12219 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  UC454228  Minuartia nuttallii subsp. gregaria I. J. Condit 1911-7-28 Siskiyou ridge <from> Castle Lake to Mt. Bradley; Shasta Retreat 1981 Comment
  HSC90442  Minuartia stolonifera Thomas W. Nelson, Jane Nelson 1985-6-19 7839 Siskiyou Along S side of Hwy. 3, 3.1 mi. N of Scott Mtn. Pass 1220 Comment
  POM229186  Mirabilis greenei Louis C. Wheeler 1935-7-17 3667 Siskiyou Scott Valley, near Fort Jones, Mouth Indian Creek 854 Comment
  POM68866  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou Near Yreka 1067 Comment
  UC796514  Mirabilis greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11864 Siskiyou foot of Gazelle Mt grade Willow Creek Comment
  HSC61136  Mitella breweri Al Hobart 1968-6-20 Siskiyou El Capitan. Comment
  CAS-BOT-BC433064  Mitella pentandra John Thomas Howell 1939-8-3 14965 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC4892  Mitella pentandra J. O. Sawyer 1968-6-25 322 Siskiyou Along Horse Range Creek 1829 Comment
  RSA211101  Mitella pentandra William J. Ferlatte 1967-8-20 1062 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  UC1408866  Mitella trifida Frederick W. Oettinger 1969-9-4 1661 Siskiyou Tom's Lake Basin Salmon Mountains, Marble Mountain Wilderness Area, Vicinity (n side, w Siskiyou Co.) 2103 Comment
  UC637056  Mitella trifida Edward Lee 1934-8-13 1082 Siskiyou Happy Camp-Waldo (Oregon) Road Klamath Nat. For., West Branch of Indian Creek watershed 1463 Comment
  LA54314  Monardella odoratissima Carl Epling; 1938-6-13 sn Siskiyou near Weed Comment
  HSC44616  Monardella odoratissima Laura Witherspoon 1977-7-13 Siskiyou Periphery of Flint Valley 1341 Comment
  UC144545  Monardella odoratissima subsp. glauca A. A. Heller 1905-6-13 8018 Siskiyou Shasta Springs Comment
  UC1096813  Monardella odoratissima subsp. pallida H. K. Wagnon 1957-8-11 1702 Siskiyou Mt. Shasta ca. 1 mi W of Military Pass Road, along road to Brewer Creek. Comment
  RSA463108  Monardella odoratissima subsp. pallida S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  CDA40783  Monardella sheltonii J. Anslem 1958-7-1 670 -58 Siskiyou Scott s Bar. 0 Comment
  RSA238298  Montia parvifolia Frederick W. Oettinger 1969-7-13 1004 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  JEPS121614  Muhlenbergia andina Kendra Sikes 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Gently sloping wet meadow, W aspect, over gabbro. China Mountain quadrangle. CLB_1 #B Comment
  CAS-BOT-BC275336  Muhlenbergia jonesii Ralph K. Gierisch 1968-8-6 3365 Siskiyou Elk Flat, Shasta - Trinity Forest 1310 Comment
  HSC22176  Muhlenbergia montana J. O. Sawyer 1969-8-4 1881 Siskiyou SE slope above S Sugar Lake 2165 Comment
  RSA256592  Myosotis discolor J. P. Smith 1974-5-25 7478 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  CAS-BOT-BC83244  Myosurus minimus A. A. Heller 1925-7-25 13900 Siskiyou In a field along the Pacific highway near Edgewood. Comment
  SD82206  Myriopteris gracillima Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains, Head Jaynes Canyon 2075 Comment
  HSC563  Narthecium californicum William J. Ferlatte 1966-8-17 402 Siskiyou NW side of Caribou Mtn. 1829 Comment
  HSC64814  Nasturtium officinale J. P. Smith, Steve Selva 1970-6-15 3909 Siskiyou 10 mi. NW of Forks of Salmon Comment
  POM75063  Navarretia intertexta Geo D. Butler 1908-8-27 157 Siskiyou Oro Fino Comment
  POM75694  Navarretia intertexta Geo D. Butler 1910-7-20 1730 Siskiyou Goosenest foothills. 1524 Comment
  CAS-BOT-BC219528  Nemophila parviflora Alice Eastwood 1923-5-18 11832 Siskiyou Shasta Springs Comment
  HSC14290  Nepeta cataria L. C. Wheeler 1934-9-18 3279 Siskiyou Mt. Diablo Meridian, Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  POM211254  Nepeta cataria Louis C. Wheeler 1934-9-18 3279 Siskiyou Siskiyou Mts. Dutch Creek off Klamath River 701 Comment
  HSC20458  Nicotiana attenuata D. M. Thomson 1965-8-4 163 Siskiyou Lava Beds National Monument, Black Crater trail, close to main road Comment
  CAS-BOT-BC60568  Noccaea fendleri subsp. glauca Alice Eastwood 1912-8-30 2031 Siskiyou Mount Eddy. Comment
  CAS-BOT-BC60569  Noccaea fendleri subsp. glauca Alice Eastwood 1921-7-24 10788 Siskiyou Castle Lake. Comment
  CAS-BOT-BC60571  Noccaea fendleri subsp. glauca Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Trinity Mountains. Gumboot Lake. 1828 Comment
  CAS-BOT-BC60590  Noccaea fendleri subsp. glauca Ira L. Wiggins 1950-5-28 12359 Siskiyou Margins of Carmen Lake, about 1.5 mile east of Scott Mountain road. 1737 Comment
  HSC75095  Noccaea fendleri subsp. glauca J. P. Smith, Thomas W. Nelson 1979-6-15 10119 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC92177  Nothocalais alpestris Jennifer Whipple 1977-7-22 2056 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  UC49997  Nothocalais troximoides Edward L. Greene 1876-5-15 781 Siskiyou near Yreka Comment
  UC609364  Nothochelone nemorosa Eleanor Burks Hart 1938-8-21 891 Siskiyou Upper Wright Lake 2225 Comment
  UC637030  Nothochelone nemorosa Edward Lee 1934-8-13 1089 Siskiyou Happy Camp to Waldo (Oregon) Road, Klamath National Forest, watershed of West Branch of Indian Creek West Branch of Indian Creek; Klamath National Forest 1463 Comment
  POM250708  Nothochelone nemorosa D. D. Keck 1938-8-6 4821 Siskiyou At Del Norte Co. line, Poker Flat, on north slope just SE of summit. Siskiyou Mts. 1402 Comment
  HSC27594  Notholithocarpus densiflorus Carl W. Mize 1972-6-21 67 Siskiyou Along trail 335 Comment
  UCD110227  Notholithocarpus densiflorus var. echinoides P. C. Everett; E. K. Balls 1954-10-10 20261 Siskiyou Hwy 89, 6.8 mi. w. of McCloud on road to the town of Mt. Shasta. 1173 Comment
  UC1409398  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-8-12 488 Siskiyou West of the west cove of Hancock Lake (Lily Pond (a fifty foot pond), vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC48269  Oemleria cerasiformis K. T. Stillman, P. Stekel May 1977 510 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  UC61199  Oenothera elata subsp. hirsutissima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  CDA7575  Onopordum tauricum T. C. Fuller 1959-12-1 3324 Siskiyou Fred Voelker ranch, west edge of Meiss Lake Basin, just south of Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  JEPS66884  Opuntia fragilis Beatrice Wise Siskiyou Shasta Valley Comment
  SEINET8225553  Oreostemma alpigenum J. Kierstead 1990-7-18 90 -103 Siskiyou Mt. Shasta Ranger Dist.; Gumboot Creek, south side of Mt. Eddy, 100 yards wouth of Forest Service Rd. 40N26. 1676 Comment
  JEPS87126  Oreostemma alpigenum var. andersonii Dean W. Taylor 1992-9-18 13230 Siskiyou .5 m below, (watershed South Fork Sacramento River) Gumboot Lake; South Fork Sacramento River, Gumboot Creek 1844 Comment
  UC923119  Orogenia fusiformis Freed W. Hoffman 1950-7-13 3288 Siskiyou western Baldy Lookout North Coast Ranges, Baldy Lookout Comment
  CAS-BOT-BC458081  Orthilia secunda W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak at Spring Comment
  CAS-BOT-BC458091  Orthilia secunda Ira L. Wiggins 1955-7-24 13495 Siskiyou Ridge between upper reaches of China and Blind Horse Creeks 1645 Comment
  RSA0083186  Orthilia secunda M. B. Dunkle 1944-8-25 9168 Siskiyou Hungry Creek. 1829 Comment
  HSC29372  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-12 251 Siskiyou Marble Mtn. Wilderness Area, E side of trail between Tom Taylor Cabin and meadow NW of English Peak Lookout 2104 Comment
  HSC630  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1966-7-7 219 Siskiyou Big Flat, near public camp 1524 Comment
  HSC65359  Orthocarpus cuspidatus subsp. copelandii R. White 1977-8-3 140 Siskiyou W side of pond above Elk Hole 1616 Comment
  SFV3406  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker, L. K. Mann 1963-8-17 3741 Siskiyou Marble Mountain Wilderness Area. Beside trail from Red Rock Valley to top of ridge to south, and near top of ridge. 1860 Comment
  UCD123228  Orthocarpus cuspidatus subsp. cuspidatus K. M. Meyer; A. Townesmith 2007-8-2 187 Siskiyou Klamath National Forest. 13.3 m on Forest Service Rd. 70, off US Hwy 97 toward Oregon. 1956 Comment
  UC1222794  Orthocarpus imbricatus Joseph P. Tracy 1950-7-20 19207 Siskiyou about 4 mi se Elk Valley (Del Norte Co.) (Flint Valley); , se of Elk Valley 1432 Comment
  HSC4881  Osmorhiza berteroi J. O. Sawyer 1968-7-2 378 Siskiyou Upper drainage of Joe Creek 1677 Comment
  POM82773  Osmorhiza berteroi Geo. D. Butler 1910-5-30 1432 Siskiyou Humbug Creek. Comment
  RSA215605  Osmorhiza occidentalis Gilbert Muth 1969-8-6 1260 Siskiyou Boulder Peak Ridge 2470 Comment
  CAS-BOT-BC316752  Packera cana William Bridge Cooke 1939-8-10 13874 Siskiyou Scattered in a small colony along the west bank of Mud Creek Canyon. Upper Hudsonian Zone 2895 Comment
  CAS-BOT-BC318450  Packera cana Elmer Ivan Applegate 1935-6-5 9338 Siskiyou Lyons road, north boundaty of lava Beds national Monument Comment
  HSC90556  Packera cana Jennifer Whipple 1977-7-20 1992 Siskiyou N slopes of Mount Eddy 2500 Comment
  UC1216702  Packera cana W. B. and V. G. Cooke 1960-8-8 Siskiyou w bank Mud Creek Canyon; fell fields Mt. Shasta Comment
  CAS-BOT-BC317128  Packera streptanthifolia var. streptanthifolia Alice Eastwood; John Thomas Howell 1934-4-20 1782 Siskiyou near Gazelle Comment
  CAS-BOT-BC28832  Paeonia brownii Bruce Bartholomew 1994-5-27 6708 Siskiyou Whitehorse Mountains near the Modoc County line 1600 Comment
  POM99650  Paeonia brownii Geo. D. Butler 1910-4-23 1229 Siskiyou Quartz Valley. Comment
  RSA52141  Paeonia brownii Dorothy Parker 1948-5-18 s.n. Siskiyou West side of Scott Valley 915 Comment
  SD53020  Paeonia brownii Peter H. Raven 1962-5-30 17993 Siskiyou U. S. Highway 97, 8.3 miles north of Weed. Comment
  HSC100192  Panicum capillare J. P. Smith, & J. O. Sawyer 2011-9-4 13412 Siskiyou Along Ball Mountain-Little Shasta-Mt. Hebron Road. 877 Comment
  UCD37092  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou Siskiyou County, 1.5 miles southwest of city of Mount Shasta, Castle Lake Road. 1036 Comment
  JEPS95662  Papaver rhoeas Vernon H. Oswald and L. Ahart 1999-7-5 9793 Siskiyou Gazelle-Callahan Hwy. 0.5 mi west of Gazelle: T42N R6W Sect. 3, 2800 ft, agricultural area 853 Comment
  CAS-BOT-BC422854  Papaver rhoeas John Thomas Howell 1952-6-14 28357 Siskiyou 2 miles west of Gazelle Comment
  CDA3568  Papaver rhoeas T. C. Fuller 1962-6-13 8971 Siskiyou Highway 99 to Yreka, north limits of Gazelle. 0 Comment
  RSA211097  Parnassia californica William J. Ferlatte 1966-8-19 434 Siskiyou Kidd Creek Trail. 1829 Comment
  CAS-BOT-BC202847  Paxistima myrsinites Alice Eastwood 1917-9-2 6681 Siskiyou Shasta Springs Comment
  CAS-BOT-BC202855  Paxistima myrsinites Doris K. Kildale 1928-7-4 5517 Siskiyou Summit of divide between Sawyers Bar & Etna Mills Comment
  CAS-BOT-BC202859  Paxistima myrsinites A. A. Heller 1916-8-24 12563 Siskiyou Near Sisson 1077 Comment
  HSC29145  Paxistima myrsinites Frederick W. Oettinger 1968-9-3 687 Siskiyou Marble Mtn. Wilderness Area, steep loose talus due W of 'Horse's Hole', a pond above Horse Range Lake 1982 Comment
  JEPS24623  Paxistima myrsinites Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6776 Siskiyou between Shasta Retreat and Shasta Springs (directly opposite Mossbrae Falls, bank of Sacramento R.); Sacramento R. 731 Comment
  CAS-BOT-BC202856  Paxistima myrsinites Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mts., Bet. Happy Camp & Waldo Comment
  RSA0025075  Pectocarya penicillata L. C. Wheeler 1934-6-7 2654 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  CAS-BOT-BC266658  Pedicularis contorta H. A. Thomas; J. H. Thomas 1954-7-24 4491 Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  JEPS80561  Pedicularis contorta Gilbert Muth 1965-8-6 180 Siskiyou backside of Black Mountain; , Marble Mountain Wilderness Area 2072 Comment
  RSA238819  Pedicularis contorta Frederick W. Oettinger 1967-7-26 202 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCSB23732  Pedicularis densiflora Keefe, Joseph 1967-7-11 Siskiyou 2.3 miles north of Castle Lake, 10 miles southeast of town of Mt. Shasta 1219 Comment
  UC1483481  Pedicularis howellii Maralyn A. Renner 1980-7-28 2183 Siskiyou e spur of Kangaroo Mountain; Klamath National Forest, Kangaroo Mountain 1889 Comment
  UC1409426  Pedicularis racemosa Frederick W. Oettinger 1968-8-3 384 Siskiyou near English Lake (High Lake Basins in vicinity of English Peak, edge of base camp meadows); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  HSC60796  Pedicularis racemosa Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC1874951  Pellaea brachyptera Ruth Kirkpatrick 2003-8-1 1175 Siskiyou 7 air mi NNE of Seiad Valley. Along Seiad Creek Road (FS Road 48N20). East Fork of Seiad Creek. 1 air mile W of Copper Butte. 1396 Comment
  UC185226  Pellaea breweri Geo. D. Butler 1910-7-9 1718 Siskiyou Marble Mt 1676 Comment
  RSA0037167  Penstemon John F. Emmel 1993-7-25 1275 Siskiyou Curtis Meadows, along McCloud River, SE of Bartle. 1207 Comment
  HSC62475  Penstemon anguineus Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  JEPS23801  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer and Don Liles 1959-7-9 7259 Siskiyou Poker Flat 1536 Comment
  CAS-BOT-BC27115  Penstemon anguineus Volney Rattan 1879-6-1 s.n. Siskiyou Indian Creek Comment
  HSC29294  Penstemon anguineus Frederick W. Oettinger 1968-8-5 410 Siskiyou Marble Mtn. Wilderness Area, ridge between English Peak and Charmaine Lake 2024 Comment
  HSC63266  Penstemon anguineus M. A. Baker 1979-7-31 1088 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2080 Comment
  RSA238744  Penstemon anguineus Frederick W. Oettinger 1967-8-20 288 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  RSA425613  Penstemon azureus Louis C. Wheeler 1934-7-3 2850 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. 1768 Comment
  RSA309612  Penstemon cinereus Walter Wisura 1983-9-16 3939 Siskiyou 8.3 miles W of Macdoel along Hwy 97 Comment
  CHSC102575  Penstemon davidsonii var. davidsonii L. P. Janeway 2009-8-3 9887 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.6 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2680 Comment
  SFV17485  Penstemon davidsonii var. davidsonii P. Wilson 1998-7-21 3543 Siskiyou Mount Shasta. Sand Flat. 2073 Comment
  POM237613  Penstemon deustus subsp. deustus C. Leo Hitchcock, J. S. Martin 1939-7-7 5293 Siskiyou North side of Sanger Peak. 1646 Comment
  UC886968  Penstemon deustus var. suffrutescens Alice Eastwood 1912-7-19 1221 Siskiyou Mount Shasta Comment
  NY609839  Penstemon deustus var. suffrutescens E. I. Applegate 1898-5-15 2136 Siskiyou Along Klamath River, between Shovel Creek and Fall Creek 792.5 Comment
  UC618806  Penstemon gracilentus W. Bridge Cooke 1938-8-21 11547 Siskiyou on lava flats and slopes around Horse Camp (on the sw side Mount Shasta); sw side Mount Shasta, Horse Camp 2438 Comment
  SBBG30586  Penstemon heterodoxus var. cephalophorus D. Myrick 1968-6-27 2046 Siskiyou trail to Lake Josephine above Carter's Ranch 5 mi S of Big Flat 1828 Comment
  CHSC97345  Penstemon heterodoxus var. shastensis Jenny Marr 2006-6-18 232 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  JEPS100297  Penstemon heterodoxus var. shastensis Dean W. Taylor 2001-8-28 17905 Siskiyou Mt. Shasta; Ski Park Highway 0.7 miles north from Highway 89 at Snowmans Hill Summit 1417 Comment
  UCSB11850  Penstemon humilis Haller, John 1961-6-23 Siskiyou near U.S. Highway 97; 3.8 mi S of Hebron Summit; about 27 mi NE of Weed 1493 Comment
  CHSC83277  Penstemon laetus var. sagittatus L. P. Janeway 2002-7-13 7646 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  JEPS11636  Penstemon laetus var. sagittatus W. L. Jepson Jul 17 1902-Jul 22 1902 2067 Siskiyou The Devil's Backbone , The Devil's Backbone (Western Siskiyou) 1828 Comment
  RSA25613  Penstemon laetus var. sagittatus Carl B. Wolf 1941-7-26 11078 Siskiyou SW end Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague. 915 Comment
  UC54634  Penstemon laetus var. sagittatus H. M. Hall and E. B. Babcock June, 1903 4030 Siskiyou Sacramento River near Dunsmuir; Upper Sacramento Valley, Sacramento River 609 Comment
  NY604579  Penstemon laetus var. sagittatus D. D. Keck 1940-6-13 5170 Siskiyou Weed, north side of town on Route 97. Observed to be ± continous to within 4 miles of Grass Lake. Comment
  RSA12568  Penstemon laetus var. sagittatus Carl B. Wolf 1934-7-6 6018 Siskiyou SW slope of Mt Shasta, about 2.5 mi NW of Wagon Camp. 1524 Comment
  UC496170  Penstemon laetus var. sagittatus L. B. Kildale 1930-7-1 Siskiyou Salmon River at Sawyer's Bar; Salmon River at Sawyer's Bar Comment
  HSC63247  Penstemon newberryi subsp. newberryi M. A. Baker 1979-7-31 1086 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2100 Comment
  RSA68889  Penstemon newberryi subsp. newberryi A. E. Culbertson 1943-7-10 67 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on N side of a 6600' eastern spur of Trinity Mts. 2000' above Sacramento R within 10 air miles of its headwaters to the west. Comment
  CAS-BOT-BC239335  Penstemon newberryi var. berryi Carl B. Wolf 1934-7-6 6021 Siskiyou SW. slope of Mt. Shasta. 1/2 mi. So. of trail to Horse Camp 1524 Comment
  CAS-BOT-BC239336  Penstemon newberryi var. berryi Donald Myrick 1961-6-19 266 Siskiyou On road to Mt. Shasta Ski Bowl Comment
  CAS-BOT-BC239339  Penstemon newberryi var. berryi A. A. Heller 1905-6-16 8048 Siskiyou Near Sisson Comment
  CAS-BOT-BC94463  Penstemon newberryi var. berryi R. C. Wenk 2005-7-19 321 Siskiyou Along Pacific Crest Trail, 2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2164 Comment
  POM259368  Penstemon procerus subsp. brachyanthus J. T. Howell 1939-8-8 15184 Siskiyou Marble Mountains: Black Mountain. Comment
  UC1408761  Penstemon procerus var. brachyanthus Frederick W. Oettinger 1968-8-18 570 Siskiyou w end Hancock Lake Salmon Mts., Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, Marble Mountain Wilderness area, Salmon Mountains, western Siskiyou County) 1935 Comment
  RSA420384  Penstemon rattanii subsp. rattanii M. B. Dunkle 1945-1 9330 Siskiyou Big Ridge. Klamath National Forest. Marble Mountains. Comment
  UC1090389  Penstemon roezlii Milo S. Baker 1957-6-16 13169 Siskiyou Trip to Scott Mt. after turnoff near Callahan; North Coast Ranges, trip to Scott Mt. Comment
  JEPS23799  Penstemon speciosus Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7208 Siskiyou at broadening base of Mt. Shasta 1676 Comment
  JEPS52293  Penstemon speciosus Wayne Roderick 1963-6-13 Siskiyou sw edge of town of Etna , sw edge of town of Etna (Scott Valley) 914 Comment
  UC454777  Penstemon speciosus I. J. Condit July 1911 Siskiyou Sisson Comment
  JEPS116617  Penstemon speciosus Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -013 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73 Weed (unburned area within Hotlum Fire perimeter burned in Feb 2006, 4 mi NE of town); Mt. Shasta 1127 Comment
  HSC69081  Perideridia howellii Maralyn A. Renner 1980-8-4 2220 Siskiyou Flint Valley 1390 Comment
  JEPS12330  Perideridia howellii W. L. Jepson 1914-8-13 6157 Siskiyou Sisson 1097 Comment
  CDA38508  Perideridia leptocarpa D. H. Shaw & D. Osterhandt 1979-8-17 s.n. Siskiyou Jackass Gulch northwest of Sawyers Bar, Klamath National Forest. 0 Comment
  HSC103566  Perideridia oregana Thomas W. Nelson, Jane Nelson 1983-8-12 7594 Siskiyou In and about Scott Mountain Campground 1646 Comment
  UC165414  Petasites frigidus var. palmatus Geo. D. Butler 1909-4-11 627 Siskiyou Shasta Springs Comment
  HSC30735  Phacelia corymbosa Glenn McGourty 1974-5-25 68 Siskiyou On Rd. 8, 0.9 mi. from jct. with Hwy. 3 976 Comment
  UC164111  Phacelia egena Geo. D. Butler 1910-5-17 1356 Siskiyou near Yreka Comment
  UC673183  Phacelia egena Lincoln Constance and Reed C. Rollins 1942-5-13 2900 Siskiyou 8 mi s Happy Camp (near Clear Creek); Klamath-Siskiyou Region, Klamath River 304 Comment
  CDA40370  Phacelia greenei G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2646 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  HSC75157  Phacelia greenei Unknown Siskiyou 1433 Comment
  UC796610  Phacelia greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11718 Siskiyou Schoolhouse Hill e. fork of Scott River, Plowman's Valley (Noyes Valley) Comment
  CHSC36171  Phacelia heterophylla subsp. virgata K. Bridwell 1978-7-6 173 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  SBBG30550  Phacelia linearis D. Myrick 1968-6-22 1993 Siskiyou Lava Beds Nat Monument 1371 Comment
  JEPS25840  Phacelia mutabilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7454 Siskiyou about 13 air mi nw Happy Camp (along Del Norte-Siskiyou Co. boundary (ridge top) dividing Indian Creek drainage from that of the Illinois River, leading to Twin Valley) 1584 Comment
  JEPS74473  Phacelia mutabilis W. J. Ferlatte 1966-6-23 146 Siskiyou Big Flat Trinity Alps (wooded area near public camp) 1524 Comment
  UC618690  Phacelia mutabilis W. Bridge Cooke 1938-7-15 11273 Siskiyou Wagon Camp-Horse Camp Trail Mt. Shasta Comment
  UC642571  Phacelia mutabilis W. Bridge Cooke 1939-7-7 13633 Siskiyou along Wagon Camp-Horse Camp Trail Mount Shasta Comment
  UC922464  Phacelia mutabilis Annie M. Alexander and Louise Kellogg 1949-7-22 5846 Siskiyou trail to Kings Castle Marble Mountains, Paradise Lake (top of ridge) 2072 Comment
  RSA238758  Phacelia mutabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1208 Siskiyou Trail through Willow Springs between Abbotts Upper Cabin and English Lake. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1677 Comment
  HSC75118  Phacelia pringlei J. P. Smith, Thomas W. Nelson 1979-6-16 10127 Siskiyou Klamath National Forest, Rd. to Carmen Lake, .2 mi. from its jct. with Hwy. 3 Comment
  UCD120681  Phacelia ramosissima Robert E. Preston 1995-6-22 896 Siskiyou Irongate Reservoir, on open slopes W of Mirror Cove. 731 Comment
  SD72096  Phacelia virgata William B. Cooke 1938-8-5 11448 Siskiyou Mt. Shasta. 1524 Comment
  CAS-BOT-BC77422  Philadelphus lewisii Doris K. Kildale 1928-7-3 5429 Siskiyou Forks of Salmon, Salmon River Comment
  CAS-BOT-BC250949  Phleum pratense John Thomas Howell 1939-8-9 15224 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  HSC23553  Phlox adsurgens J. O. Sawyer 1970-7-3 2310 Siskiyou W of Camp 3 Comment
  UC1560412  Phlox adsurgens E. Joyal and D. Mehlman 1988-6-25 1275 Siskiyou Happy Camp to Takilma road (at turn-off to Bolan Lake) 1524 Comment
  HSC17163  Phlox diffusa Marion Ownbey, Ruth Ownbey 1938-7-20 1762 Siskiyou Near Dry Lake Lookout, summit of Siskiyou Mts. Comment
  JEPS69941  Phlox diffusa W. L. Jepson 1940-6-27 20042 Siskiyou e slope Mt. Shasta 1828 Comment
  UC164130  Phlox diffusa Geo. D. Butler 1910-7-8 1688 Siskiyou Shackleford Creek 1371 Comment
  UC880428  Phlox douglasii subsp. rigida L. E. Smith 1913-1 Siskiyou Mt. Shasta Comment
  JEPS71079  Phlox gracilis W. L. Jepson 1940-7-3 20120 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  CAS-BOT-BC232824  Phlox hirsuta L. E. Smith 1913-4-20 639 Siskiyou Yreka Comment
  SEINET3145518  Phlox hoodii subsp. canescens G. D. Butler 1910-3-13 1127 Siskiyou Klamath hills Comment
  CHSC3384  Phlox speciosa Alice L. Stoll 1966-5-14 201 Siskiyou 7 miles S.E. of Callahan in forest alongside the Old Oregon Stage Road. 1219 Comment
  UC205784  Phlox speciosa subsp. occidentalis Geo. D. Butler 1910-4-15 1175 Siskiyou Yreka hills Yreka Comment
  SFV1505  Phoenicaulis cheiranthoides D. Parker 1958-4-13 629 Siskiyou Near Callahan. 957 Comment
  POM94716  Phoenicaulis cheiranthoides Geo. D. Butler 1296 Siskiyou Dry hills near Yreka. Comment
  CHSC75765  Phoradendron densum Vernon H. Oswald; Lowell Ahart 1999-7-5 9814 Siskiyou Gazelle Mtn. on road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy. 1554 Comment
  JEPS42562  Phoradendron juniperinum Geo. M. Pendleton 1917-10-3 5992 Siskiyou Sisson Comment
  CAS-BOT-BC171215  Phoradendron serotinum subsp. tomentosum Lewis S. Rose 1925-7-29 s.n. Siskiyou Shasta Springs Comment
  HSC60912  Phyllodoce empetriformis Al Hobart Siskiyou Black Butte Comment
  JEPS66651  Phyllodoce empetriformis W. L. Jepson 1907-7-6 2850 Siskiyou Ridge above Cudahay Valley (Marble Mountain region); Marble Mountain region Comment
  RSA761681  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2097 Comment
  RSA186830  Physalis virginiana var. sonorae T. C. Fuller 1966-10-6 15246 Siskiyou Siskiyou County: Clement ranch, 5 miles N of Montague Comment
  CAS-BOT-BC60776  Physaria occidentalis A. A. Heller 1920-7-9 13425 Siskiyou Long bare easterly slope of Mount Eddy. 2438 Comment
  CAS-BOT-BC140491  Physocarpus Alice Eastwood 1921-7-24 10743 Siskiyou Castle Lake Comment
  HSC46767  Physocarpus capitatus William J. Ferlatte 1974-7-13 1513 Siskiyou Big Flat, steep banks of the S Fork of Salmon River just W of USFS campground 1463 Comment
  CAS-BOT-BC78161  Picea breweriana W. R. Dudley 1901-8-18 s.n. Siskiyou Salmon Mountains Comment
  CAS-BOT-BC78178  Picea breweriana L. E. Berriman 1941-1-1 s.n. Siskiyou North slopes of Russian Peak; west of Callahan 2133 Comment
  CAS-BOT-BC78179  Picea breweriana L. E. Berriman 1941-1-1 s.n. Siskiyou North slopes of Russian Peak; west of Callahan 2133 Comment
  HSC4813  Picea breweriana J. O. Sawyer 1968-9-13 711 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  JEPS46723  Picea breweriana W. L. Jepson 1907-7-10 2869 Siskiyou 6 mi w Elbow Camp; Klamath Range Comment
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Nov 12 2011
  RSA237213  Picea breweriana Frederick W. Oettinger 1967-8-26 334 Siskiyou NE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  NY30145  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SBBG45487  Pinus albicaulis W. M. Plumb 1972-7-16 Siskiyou NE slope of Mt Eddy 2438 Comment
  SEINET10754906  Pinus albicaulis Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 873 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  UC1037414  Pinus albicaulis Douglas Barbe 1955-8-5 360 Siskiyou ridge nw of the summit Caribou Mountain (in the Salmon Mountains); Klamath Mountains 2407 Comment
  HSC1359  Pinus attenuata Geo. D. Butler 1908-8-26 518 Siskiyou Head of Russian Creek, W side of Salmon Mtn. Comment
  NY34636  Pinus attenuata K. Morris 1973-5-25 276 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC78406  Pinus balfouriana W. R. Dudley 1899-8-15 s.n. Siskiyou summit of Black Butte Comment
  HSC45575  Pinus balfouriana Maralyn O'Meara 1972-9-14 115 Siskiyou Ridge above trail to Yellow Rose Mine Comment
  CAS-BOT-BC78497  Pinus contorta subsp. murrayana Peter H. Raven 1956-9-5 10461 Siskiyou North Fork of Sacramento River 1828 Comment
  HSC69038  Pinus jeffreyi Maralyn A. Renner 1980-8-7 2367 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  HSC27950  Pinus lambertiana Carl W. Mize 1972-9-23 118 Siskiyou End of road 945 Comment
  SEINET11738789  Pinus lambertiana C. G. Pringle 1882-1 s.n. Siskiyou near Mt. Shasta Comment
  UC1190184  Piperia transversa Ira L. Wiggins 1955-7-24 13483 Siskiyou between upper reaches of China and Blind Horse Creeks 1234 Comment
  RSA382824  Piperia unalascensis Louis C. Wheeler 1934-7-2 2839 Siskiyou Deer Creek. Sterling Mtn. Siskiyou Mtns. 1585 Comment
  CDA5732  Plagiobothrys bracteatus L. Ahart, J. Dittes 2005-6-9 12035 Siskiyou About 50 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  JEPS77495  Plagiobothrys bracteatus Susan Horner 1978-6-30 403 Siskiyou about 4 mi sse Hambone (on road between 40NO5 and Sand Flat Well, vernal flat below road) Comment
  JEPS69750  Plagiobothrys hispidus W. B. and V. G. Cooke 1972-6-30 45416 Siskiyou above Andesite Crossing (Military Pass Road); Mt. Shasta 1524 Comment
  SDSU5442  Plagiobothrys hispidus D. F. Howe 1964-8-5 3941 Siskiyou Klamouth National Forest 3.7 miles from north entrance on #97. 1585 Comment
  CHSC93532  Plantago eriopoda Lowell Ahart; John Dittes 2005-6-10 12104 Siskiyou Steep springy sloper, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  RSA237615  Plantago lanceolata Frederick W. Oettinger 1967-8-3 239 Siskiyou Along Hancock Lake trail near the eastern most campsite along NW side of the Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC44572  Platanthera dilatata var. leucostachys Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  HSC60789  Platanthera dilatata var. leucostachys Al Hobart 1967-7-12 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC61842  Platanthera dilatata var. leucostachys Al Hobart 1967-1 Siskiyou Poker Flat 1585 Comment
  HSC61845  Platanthera dilatata var. leucostachys Ruby Van Deventer 1938-7-9 Siskiyou Poker Flat 1585 Comment
  RSA382924  Platanthera sparsiflora M. B. Dunkle 1945-07 9257 Siskiyou Klamath National Forest; Marble Mts. Comment
  HSC68348  Plectritis ciliosa J. P. Smith 1973-5-5 6400 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  SBBG30546  Plectritis congesta subsp. congesta D. Myrick 1968-6-25 2014 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk 1524 Comment
  HSC33981  Plectritis macrocera J. P. Smith 1974-5-25 7470 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC46055  Plectritis macrocera Maralyn O'Meara 1974-5-25 420 Siskiyou On Rd. 8, 4.7 mi. W of junction with Hwy. 3 1159 Comment
  HSC68344  Plectritis macrocera J. P. Smith 1973-5-5 6425 Siskiyou Along Cook and Green Pass Rd. Comment
  SEINET10509470 Image available Poa howellii var. chandleri Harley P. Chandler Chandler 1703 Siskiyou Ridges and meadows near Marble Mountain. 1524 Comment
  RSA238335  Poa nervosa Frederick W. Oettinger 1969-8-25 1545 Siskiyou along Tanner Peak Trail, 400 yards from from English Peak trial. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CDA2367  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2581 Siskiyou East of abandoned railroad station building and tracks, Grenada. Comment
  HSC43045  Poa pratensis J. O. Sawyer, Ken Stillman 1976-5-30 2761 Siskiyou Along Specimen Creek. 915 Comment
  HSC65258  Poa pratensis J. P. Smith 1973-5-5 6427 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA238404  Poa pratensis Frederick W. Oettinger 1969-9-4 1630 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA238407  Poa pratensis Frederick W. Oettinger 1969-8-14 1374 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA238410  Poa pratensis Frederick W. Oettinger 1969-8-5 1191 Siskiyou English Lake to Abbotts. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC618614  Poa pratensis subsp. pratensis W. Bridge Cooke 1938-6-24 11066 Siskiyou MacBride Springs; Mt Shasta Comment
  HSC2386  Poa pringlei William J. Ferlatte 1966-8-4 301 Siskiyou Dorleska summit 2134 Comment
  JEPS33849  Poa pringlei Gilbert Muth 1966-7-31 473 Siskiyou n side Black Mt; Marble Mt Wilderness Area 2042 Comment
  HSC39850  Poa rhizomata J. P. Smith 1973-5-5 6512 Siskiyou Along Cook and Green Pass Rd. Comment
  CHSC91719  Poa secunda G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-28 2594 Siskiyou Cascade Ranges. 2.5 miles south of Grenada Station, on roadside and railroad right of way. Comment
  RSA239035  Poa secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou west-northwest of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC77024  Poa secunda subsp. juncifolia K. T. Stillman 1976-6-25 52 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  CAS-BOT-BC243237  Poa secunda subsp. secunda Geo. D. Butler 1909-5-22 821 Siskiyou Near Yreka Comment
  CAS-BOT-BC482452  Poa secunda subsp. secunda Dana York 2011-8-13 3062 Siskiyou Marble Mountain Wilderness, Klamath National Forest, slopes of Black Marble Mountain 2110 Comment
  UCD23603  Poa secunda subsp. secunda Geo. D. Butler 1910-4-30 1250 Siskiyou Yreka. Comment
  UCD90998  Poa secunda subsp. secunda Frank W. Gould 1940-5-15 1234 Siskiyou Lower Bull Meadow, Goosenest Mountain. Comment
  UCD18948  Podagrostis humilis A. H. Murphy 1954-8-11 54 D Siskiyou Klamath National Forest, U.S.F.S., Round Meadow. 1676 Comment
  JEPS121606  Podagrostis thurberiana Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL05A Comment
  UC1112247  Pogogyne zizyphoroides Rimo Bacigalupi with S. Galen Smith 1957-6-26 5940 Siskiyou ca. 2 miles North of Weed along Highway 99 1036 Comment
  JEPS84251  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6453 Siskiyou ca 5 mi n of the town Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake); ridge e of Kangaroo Peak, s of Lily Pad Lake 1900 Comment
  RSA184627  Polemonium californicum Clare B. Hardham 1965-8-20 13035 Siskiyou Marble Mountains. Cudahy Lakes. 1524 Comment
  UC922452  Polemonium californicum Annie M. Alexander and Louise Kellogg 1949-7-20 5819 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  RSA215619  Polemonium californicum Gilbert Muth 1969-8-8 1292 Siskiyou Gap Meadow, Boulder Peak Ridge. 2287 Comment
  SEINET4557454  Polemonium californicum Ira L. Wiggins 1955-1 13574 Siskiyou Between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  UC23987  Polemonium occidentale subsp. occidentale C. B. Bradley 1879-1 Siskiyou Squaw Valley Comment
  CHSC71292  Polyctenium fremontii var. fremontii Vernon H. Oswald; Lowell Ahart 1998-6-11 9200 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. In meadow bordering the lake. 1402 Comment
  HSC45188  Polygala californica J. O. Sawyer, E. Cope 1977-6-18 2930 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  RSA275400  Polygala californica J. O. Sawyer, E. Cope 1977-6-18 2930 Siskiyou along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 Comment
  CAS-BOT-BC170325  Polygala cornuta var. cornuta Wm. Bridge Cooke 1941-9-5 16259 Siskiyou Along Sisson Southern Trail and Memorial Highway, Mt. Shasta. 1371 Comment
  CAS-BOT-BC170326  Polygala cornuta var. cornuta Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC170329  Polygala cornuta var. cornuta Alice Eastwood 1917-9-2 6707 Siskiyou Shasta Springs Comment
  CAS-BOT-BC170334  Polygala cornuta var. cornuta R. E. Frenkel 1964-7-15 689 Siskiyou On Everitt Memorial road near Mount Shast, 1.7 miles north of McCloud River RR crossing. 1290 Comment
  SEINET6652321 Image available Polygonum arenastrum A. A. Heller 1915-1 1753 Siskiyou Metcalfs ranch, northeast base of Mount Eddy 1189 Comment
  UC164035  Polygonum bistortoides Geo. D. Butler 1910-6-5 1477 Siskiyou Shackelford Creek Comment
  UCR64597  Polygonum californicum L. C. Wheeler 1934-6-21 2747 Siskiyou West Fork Cottonwood Creek, Siskiyou Mtns 1006 Comment
  UC60974  Polygonum convolvulus Geo. B. Grant September 1902 5163 Siskiyou Sisson Mount Shasta 914 Comment
  JEPS50539  Polygonum davisiae W. L. Jepson 1907-7-5 2843 Siskiyou Marble Mt. Comment
  UC1408821  Polygonum davisiae Frederick W. Oettinger 1968-8-4 396 Siskiyou Crapo Peak ridge trail break Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 2194 Comment
  UC1950092  Polygonum douglasii Barbara Ertter 1990-7-14 9310 Siskiyou E side of Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  JEPS79755  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1908-7-23 192 Siskiyou lot w Catholic Cemetary; Yreka Comment
  UC217425  Polygonum douglasii subsp. spergulariiforme H. M. Hall 1919-10-1 Siskiyou s slope on Oregon hwy Siskiyou Mts. Comment
  UC609355  Polygonum douglasii subsp. spergulariiforme Eleanor Burks Hart 1938-8-13 883 Siskiyou above Scott River 701 Comment
  CDA22791  Polygonum majus Vernon H. Oswald & Lowell Ahart 1998-6-11 9187 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  CAS-BOT-BC418585  Polygonum minimum Alice Eastwood 1921-7-24 10752 a Siskiyou Castle Lake Comment
  CAS-BOT-BC418586  Polygonum minimum Alice Eastwood 1912-8-30 1980 Siskiyou Mount Eddy Comment
  CAS-BOT-BC418595  Polygonum minimum John Thomas Howell 1939-8-2 14862 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC418596  Polygonum minimum Wm. Bridge Cooke 1938-9-8 11658 Siskiyou Mount Shasta. Squaw Creek Meadows Comment
  CAS-BOT-BC418589  Polygonum minimum J. M. Tucker; L. K. Mann 1963-8-17 3743 Siskiyou Beside trail from Red Rock Valley to top of ridge to south, and near top of ridge; Marble Mountain Wilderness Area 1889 Comment
  UC971921  Polygonum minimum Herbert L. Mason 1950-7-15 14042 Siskiyou Scott Creek Scott Valley Comment
  UC922363  Polygonum phytolaccifolium Annie M. Alexander and Louise Kellogg 1949-7-19 5808 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  CHSC86639  Polygonum polygaloides subsp. confertiflorum Jenny Marr 1993-7-1 22 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC420065  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1948-7-17 13599 Siskiyou Eastern Grass Lake Comment
  CAS-BOT-BC420066  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-24 10752 Siskiyou Castle Lake Comment
  CAS-BOT-BC420069  Polygonum polygaloides subsp. kelloggii Wm. Bridge Cooke 1939-7-13 13653 Siskiyou Mount Shasta. Portion of Squaw Valley Creek Meadows Comment
  HSC30231  Polygonum polygaloides subsp. kelloggii William J. Ferlatte 1968-6-8 1134 Siskiyou Big Flat, near public camp 1524 Comment
  RSA120859  Polygonum spergulariiforme G. D. Barbe 1957-7-13 379 Siskiyou Big Flat Public Camp, Klamath National Forest along the path to the spring, west side of camp. Comment
  RSA44882  Polygonum spergulariiforme J. C. Roos, L. Roos 1948-9-1 3941 Siskiyou Fort Jones Comment
  RSA466410  Polygonum spergulariiforme Robert Gustafson 1985-10-19 3306 Siskiyou Gazelle Callahan Road 1372 Comment
  SEINET3404066 Image available Polygonum spergulariiforme Rimo Bacigalupi, Lincoln Constance 1959-6-17 7160 Siskiyou 4 mi NW of Weed, along US Hwy 99 Comment
  JEPS107672  Polypogon monspeliensis Lowell Ahart, John Dittes 2005-6-9 12003 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC70718  Polypogon monspeliensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  RSA612747  Polystichum imbricans L. C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1585 Comment
  CAS-BOT-BC76741  Polystichum imbricans subsp. imbricans Alice Eastwood 1912-7-23 1336 Siskiyou Cantara Comment
  HSC44934  Polystichum lemmonii J. O. Sawyer 1978-6-17 3234 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  UCR101154  Polystichum lemmonii L. C. Wheeler 1958-8-20 7411 Siskiyou Siskiyou Mountains, south side of Red Butte. 1738 Comment
  HSC79122  Polystichum lemmonii C. J. Thomas 1983-10-1 80 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  HSC79125  Polystichum lemmonii C. J. Thomas 1983-10-1 77 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  HSC79182  Polystichum lemmonii C. J. Thomas 1983-10-1 73 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  RSA693360  Polystichum lemmonii M. B. Dunkle 1945-07 9277 Siskiyou Paradise Lake, Marble Mountains Comment
  RSA756838  Polystichum lemmonii Barbara Ertter 1990-7-16 9374 Siskiyou NW side of Mount Eddy, 8 air miles SW of Weed, 1-2 miles from Parks Creek trailhead (=crest of Rt 17) along ridge 2287 Comment
  HSC73053  Polystichum munitum Gail Newton 1980-6-20 477 Siskiyou Near Bald Mtn. 1097 Comment
  UC1597991  Polystichum munitum Alan R. Smith with Christopher Richard, C. Don MacNeill, and Bernard Stoffel 1993-5-9 2549 Siskiyou ca. 1/2 mi sw Three Sisters (Little Fern Cave, ca. 2 mi along rail to Three Sisters, n side of and immediately adjacent to trail); Lava Beds Nat'l Monument 1341 Comment
  HSC34471  Polystichum scopulinum A. M. Montalvo, J. D. Ackerman 1974-8-18 429 Siskiyou Ridge above chromium mine near Cyclone Gap and Copper Mtn. Siskiyou Mtns. 1829 Comment
  HSC92664  Polystichum scopulinum Jennifer Whipple 1978-7-20 2364 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2439 Comment
  CAS-BOT-BC102763  Populus tremuloides W. B. C. 1938-8-23 11577 Siskiyou Top of the Shastina Lava Park on the north side of Shastina 2438 Comment
  RSA1577  Populus tremuloides E. R. Johnson 1928-8-31 1197 Siskiyou 10 miles East of Bartle. Comment
  UC164391  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  HSC29337  Potamogeton berchtoldii Frederick W. Oettinger 1969-9-5 1684 Siskiyou Marble Mtn. Wilderness Area, Salamander Lake, 0.7 mi. NE of Abbotts Lake 1791 Comment
  UC1265463  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-22 1494 Siskiyou bottom of Horses Hole (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  HSC99681  Potentilla breweri G. L. Clifton 1979-7-1 6187 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC12511  Potentilla breweri Harley P. Chandler June, 1901 1697 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1524 Comment
  JEPS44292  Potentilla breweri W. L. Jepson 1907-7-4 2815 Siskiyou Shackleford Canyon near Marble Mountain (W Siskiyou County); Shackleford Canyon Comment
  HSC90530  Potentilla cristae Jennifer Whipple 1977-7-20 1986 Siskiyou N slopes of Mt. Eddy 2530 Comment
  JEPS84266  Potentilla drummondii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6372 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne Seiad Valley, e of Red Butte summit, w Cook and Green Pa 1900 Comment
  CHSC1570  Potentilla flabellifolia V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2438 Comment
  CHSC96708  Potentilla flabellifolia Gordon Leppig; T. LaBanca, L. Arguello 1997-7-27 470 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  UC555306  Potentilla fruticosa D. Tebbe 1929-7-15 124 Siskiyou Mt. Eddy Comment
  UC609368  Potentilla fruticosa Eleanor Hart 1938-8-16 Siskiyou Edge of Lower Wright Lake, east side 2072 Comment
  RSA68942  Potentilla glandulosa subsp. ashlandica A. E. Culbertson 1943-7-7 16 Siskiyou Castle Lake, in a N facing cirque with an abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of 6600' eastern spur of Trinity Mts. 2000' above Sacramento R. within 10 air miles of its headwaters to the W. 1657 Comment
  UCR45421  Potentilla glandulosa subsp. glandulosa D. H. Norris 1970-5-23 12242 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  CHSC71498  Potentilla gracilis var. fastigiata Vernon H. Oswald; Lowell Ahart 1998-7-21 9351 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. In meadow along the road. 1417 Comment
  SEINET13710513  Potentilla millefolia Lowell William Ahart, Lowell William Ahart 1998-1 9342 Siskiyou Me of Weed and E of Grass Lake on S Side of Tennant Rd. 0.2 Mi. of Old State Hwy. to Bray (T44N, R1W, sec 30, SE 1/4) 4600 Ft. 1402 Comment
  CHSC71326  Potentilla newberryi Vernon H. Oswald 1998-6-27 9241 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. Meadow near the edge of the lake. 1402 Comment
  CHSC71501  Poteridium annuum Vernon H. Oswald; Lowell Ahart 1998-7-21 9344 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  CAS-BOT-BC516387  Prosartes hookeri Doris K. Kildale 1929-4-27 7572 Siskiyou Cecilville, South Fork Salmon River Comment
  HSC309  Prunella vulgaris subsp. lanceolata William J. Ferlatte 1966-8-16 370 Siskiyou Big Flat, between campground and S Fork of the Salmon River. 1524 Comment
  JEPS124565 Image available Prunella vulgaris subsp. lanceolata Rechen 1964-7-8 88 Siskiyou 5.5 miles north of Dead Horse Summit. Comment
  RSA60529  Prunella vulgaris var. lanceolata John H. Thomas 1949-6-16 950 Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  UCD77960  Prunella vulgaris var. lanceolata Robert E. Preston 2001-7-20 1685 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1712 Comment
  CAS-BOT-BC158204  Prunus emarginata D. E. Breedlove 1962-6-11 3368 Siskiyou Along State Hwy. 89, 8.0 miles east of McCloud; Cascade Mts. 1127 Comment
  CAS-BOT-BC158217  Prunus emarginata Geo. D. Butler 1910-5-1 1256 Siskiyou Humbug Mt. Comment
  CAS-BOT-BC158230  Prunus emarginata Geo. D. Butler 1908-8-26 537 Siskiyou Upper Camp, East side Saltum Mt. Comment
  CAS-BOT-BC158242  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles north of Dunsmuir 914 Comment
  HSC23589  Prunus emarginata J. O. Sawyer 1969-9-12 2006 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  HSC60166  Prunus emarginata J. P. Smith 1976-5-21 8763 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  RSA237590  Prunus virginiana var. demissa Frederick W. Oettinger 1968-9-5 702 Siskiyou SE slope above English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  RSA698648  Prunus virginiana var. demissa Leo Miller 1938-9-17 s.n. Siskiyou Siskiyou Mtns [Siskiyou or Del Norte counties]. 915 Comment
  CAS-BOT-BC239818  Pseudoroegneria spicata Elmer I. Applegate 1935-6-10 9461 Siskiyou Indian Well, Lava Beds National Monument Comment
  CHSC228  Pseudostellaria jamesiana M. Yoder 1941-7-12 Siskiyou Castle Lake. Comment
  UC165990  Pseudostellaria jamesiana Geo. D. Butler 1910-6-4 1493 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC80167  Pseudotsuga menziesii W. R. Dudley 1899-8-9 s.n. Siskiyou Top of Black Butte Comment
  SEINET10530901  Pseudotsuga menziesii David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20650 Siskiyou Vicinity of the Campground on the Salmon River, 8.3 mi W of Cecilville. Yellow pine forest with Douglas Fir. Area with mostly metamorphic rocks. Area very rocky and gravelly. Comment
  JEPS101317  Psilocarphus oregonus Dean W. Taylor 1999-6-9 17241 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  CAS-BOT-BC72683  Pteridium aquilinum G. C. Kimber 1934-4-9 36 Siskiyou Ney Creek 1/8 mile from junction with Sacramento River 731 Comment
  RSA690876  Pteridium aquilinum var. pubescens M. B. Dunkle 1944-7-26 9049 Siskiyou Siskiyou Mountains, Deer Creek Comment
  LA208177  Purshia tridentata W. B. C.; 1938-6-24 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  CAS-BOT-BC147908  Purshia tridentata var. tridentata G. P. Rixford s.n. Siskiyou South side of Shaft Rock, Mt. Hilt Comment
  HSC42218  Purshia tridentata var. tridentata S. Saufferer 1973-5-25 230 Siskiyou About 2 mi. NE of Weed, along Hwy. 97 Comment
  POM301618  Purshia tridentata var. tridentata Carl B. Wolf 1941-7-26 11076 Siskiyou SW end Little Shasta Valley. 12 miles NE weed on US Hwy 97 at jct with Rd to Montague 915 Comment
  RSA208916  Purshia tridentata var. tridentata Theadore H. Mortenson 1968-8-3 1525 Siskiyou Near McBride Springs Campground just off Hwy 99 on Everitt Memorial Hwy. 5 miles E of Mt Shasta City Comment
  JEPS23190  Pycnanthemum californicum W. L. Jepson 1914-8-13 5785 Siskiyou Sisson 1097 Comment
  UC1282004  Pycnanthemum californicum Louise Kellogg 1953-8-4 96 Siskiyou near Scott River n Callahan (edge of Scott Valley, Scott Mountains); Scott Mountains, near Scott River Comment
  CAS-BOT-BC460859  Pyrola aphylla H. A. Thomas; J. H. Thomas 1954-7-21 4413 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  RSA0082801  Pyrola aphylla Geo D. Butler 1910-6-17 1575 Siskiyou Humbug Mountain. 1220 Comment
  HSC69415  Pyrola dentata John Palmer 1980-7-23 565 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  CAS-BOT-BC462800  Pyrola dentata Doris K. Kildale 1929-8-24 9059 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  HSC18922  Pyrola dentata J. O. Sawyer 1969-6-11 820 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  SEINET8342672  Pyrola dentata Marion Ownbey, Fred G. Meyer 1940-7-8 2225 Siskiyou near summit of Siskiyou Mountain, 17 miles north of Happy Camp. Comment
  HSC67673  Pyrola minor John Palmer 1980-7-24 594 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC1190130  Pyrola picta Ira L. Wiggins 1955-7-23 13463 A Siskiyou ridge W of China Creek, S side of S Fork of Salmon River 960 Comment
  UCD77971  Pyrola picta Robert E. Preston 2001-7-20 1676 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1688 Comment
  RSA0083257  Pyrola picta R. F. Thorne 1969-8-2 63334 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  UC138183  Pyrrocoma carthamoides var. cusickii J. W. Congdon 1900-8-18 Siskiyou Castle Lake Trail, Shasta Region Comment
  UC1409456  Quercus chrysolepis Frederick W. Oettinger 1969-8-16 1399 Siskiyou sw of Wiregrass Meadow (below English Lake, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UC585068  Quercus garryana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1946 Siskiyou about 8 mi s Yreka 822 Comment
  CAS-BOT-BC62761  Quercus garryana var. breweri Doris K. Kildale 1928-7-2 5351 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  HSC29142  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-1 632 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  JEPS37847  Quercus garryana var. breweri W. L. Jepson 1907-7-5 2845 Siskiyou Marble Mt. Comment
  RSA237383  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-8 792 Siskiyou 0.1 mi due north of English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA237813  Quercus garryana var. breweri Frederick W. Oettinger 1969-8-3 1152 Siskiyou Growing just s.w. of the brook on the w. side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA23946  Quercus garryana var. breweri O. V. Matthews 1939-7-3 20 Siskiyou Maybe 1500 yards southwest of Sullivan Mine. Cook-Green Region W side of creek, maybe 3 miles by trail south of Blue Ledge Mine. 1067 Comment
  SFV17716  Quercus garryana var. breweri J. M. Tucker 1972-8-8 4245 Siskiyou Marble Mountains Marble Mountains. Trail from Whiskey Camp to Elk Peak, about 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  UCD14459  Quercus garryana var. breweri G. L. Stebbins 1972-7-3 s.n. Siskiyou California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass; north of Seiad Valley, T 47N, R 11W, Sect. 9, Seiad Valley Quadrangle; Comment
  UCSB1173  Quercus garryana var. breweri Muller, Cornelius 1954-6-24 Siskiyou 10.7 mi. SW of Etna, Summit of Salmon Mt. pass, 10 mi. NE of Idyllwild 1798 Comment
  HSC30228  Quercus garryana var. breweri William J. Ferlatte 1973-7-30 1482 Siskiyou Yellow Rose Mine Trail 1.0 mi SE of Big Flat 1829 Comment
  CAS-BOT-BC105471  Quercus kelloggii Marion Ownbey; Fred G. Meyer 1940-7-7 2214 Siskiyou Cayenne Ridge, Marble Mountain Comment
  UCD47222  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 D Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte-Siskiyou county line, California. 1554 Comment
  UCD47225  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 B Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte- Siskiyou county line, California. Comment
  UCSB1235  Quercus sadleriana Muller, Cornelius 1954-6-23 Siskiyou Summit, 3-5 mi. S of Oregon line, on road to Happy Camp, Siskiyou Mtns.; Del Norte-Siskiyou line Comment
  SJSU444  Quercus sadleriana A. W. Jacobs 1938-10-16 Siskiyou near summit of ridge c. 4 mi SW of Clear Cr (Pick-Aw-Ish) on Klamath R 1828 Comment
  HSC19225  Quercus vacciniifolia J. O. Sawyer 1968-9-28 749 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  CAS-BOT-BC328127  Raillardella pringlei Bruce G. Baldwin 1986-7-21 617 Siskiyou Near Mount Eddy ca. 0.25 mile north of Gumboot Lake along Gumboot Creek, Shasta-Trinity National Forest Comment
  JEPS75772  Raillardella pringlei Susan Horner 1976-10-5 49 Siskiyou along stream draining out of Toad Lake 2072 Comment
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Oct 13 2011
  UC1731566  Raillardella pringlei Glenn L. Clifton 1992-9-11 27384 Siskiyou Gumboot Creek North Coast Ranges (headwaters of South Fork Sacramento River, (Seven Lakes Basin 7 1/2' quadrangle) 1905 Comment
  UC164980  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-8-10 361 Siskiyou near Log Lake; Shackelford Creek Comment
  HSC28662  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-9-5 1683 Siskiyou Marble Mtn. Wilderness Area, Salamander Pond near Abbott's Lake 1768 Comment
  SEINET3160893  Ranunculus canus G. D. Butler 1910-4-19 1199 Siskiyou near Yreka Comment
  UC609341  Ranunculus eschscholtzii var. suksdorfii Eleanor Burks Hart 1938-8-24 909 Siskiyou Upper Wright Lake 2225 Comment
  HSC61937  Ranunculus gormanii Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1555 Comment
  UC60965  Ranunculus occidentalis Geo. B. Grant September, 1902 5070 Siskiyou Sisson Mount Shasta 914 Comment
  HSC39294  Ranunculus occidentalis var. occidentalis J. O. Sawyer 1970-4-4 2082 Siskiyou Along Sugar Creek 823 Comment
  RSA13287  Rhamnus californica subsp. occidentalis Doris K. Kildale 1929-7-20 8655 Siskiyou Trail up S Fork of Indian Creek, near Eek Lick. 1524 Comment
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Jan 25 2013
  POM136617  Rhamnus rubra E. B. Copeland 1903-9-6 3863 Siskiyou Mt. Eddy. Comment
  UCD13285  Rhododendron columbianum K. F. Mawdsley 1996-7-10 16 Siskiyou California, Siskiyou County. Castle Lake. 1698 Comment
  CHSC75708  Rhododendron occidentale Vernon H. Oswald; Lowell Ahart 1999-7-5 9825 Siskiyou Summit of Hwy. 3 on Scott Mtn. southeast of Callaham. 1645 Comment
  SFV5171  Rhododendron occidentale B. C. Templeton 1960-6-21 8537 Siskiyou Klamath Mountains Between Callahan and the summit of Scott Mountains. Mountain slopes. Comment
  HSC7889  Rhododendron occidentale var. paludosum Dorothy Parker 1949-6-6 Siskiyou French Creek, Salmon Mtns. 1372 Comment
  UC1608351  Rhus trilobata J. Kierstead 1991-4-23 91 -1 Siskiyou 2 mi sw of Haystack Rock (n side of Mt. Shasta, n of Hwy. 97); Mt Shasta Comment
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Jun 1 2007
  CAS-BOT-BC437999  Ribes Alice Eastwood 1912-7-23 1324 Siskiyou Cantara Comment
  CAS-BOT-BC438004  Ribes L. B. Kildale 1929-5-26 9192 Siskiyou Salmon River at Hawkin Car 609 Comment
  CAS-BOT-BC92404  Ribes aureum var. aureum John Thomas Howell 1887-4-1 s.n. Siskiyou Hornbrook. Comment
  CAS-BOT-BC92529  Ribes binominatum Doris K. Kildale 1928-7-2 5406 Siskiyou Salmon Summit via Horn Creek Trail. 1981 Comment
  UC1096828  Ribes cereum Milo S. Baker 1957-6-16 13101 Siskiyou near Callahan (trip to Scott Mt. after turn off); Scott Mt. Comment
  UC858417  Ribes cereum Frank W. Gould 1940-5-15 1254 Siskiyou on road from Mt. Hebron to Montague; Bald Mountain 1676 Comment
  UCD102136  Ribes cereum Wm. E. Moon 1958-5-29 s.n. Siskiyou along State Hwy 97, southwest of Hebron Summit. 1524 Comment
  UCD78093  Ribes cereum var. cereum Robert E. Preston 2002-6-20 1855 Siskiyou Klamath National Forest, Rainbow Mountain 2162 Comment
  LA205436  Ribes divaricatum var. parishii Wm. Bridge Cooke; 1939-7-21 13702 Siskiyou Mt. Shasta, in the vicinity of the outlet of the Municipal Spring above Howard Comment
  UC1181815  Ribes inerme var. klamathense Dorothy Parker 1950-4-28 407 Siskiyou along Scott River Siskiyou Mountains, Scott Valley 853 Comment
  RSA0021096  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC173302  Ribes lacustre W. R. Dudley 1901-8-18 s.n. Siskiyou Near Jackson Lake, southern Siskiyou County Comment
  CAS-BOT-BC173300  Ribes lacustre Milo S. Baker 1926-7-23 113 -'26 Siskiyou S. Fork Mt. - 5 mi. north of highway Comment
  HSC64665  Ribes lobbii J. O. Sawyer 1977-7-6 3031 Siskiyou S of Little Duck Lake 2134 Comment
  SEINET3151805  Ribes lobbii G. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  UC375355  Ribes lobbii Geo. D. Butler 1908-8-5 261 Siskiyou camp below Cold Spring; Woolly Creek Comment
  UC455590  Ribes lobbii I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  HSC98216  Ribes nevadense J. O. Sawyer 1969-7-11 1339 Siskiyou S Sugar Creek 1829 Comment
  UC796518 Image available Ribes nevadense Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11802 Siskiyou s Callahan (on Scott Mountain Road at Mule Creek crossing) 1493 Comment
  UC375352  Ribes roezlii Geo. D. Butler 1908-7-19 264 Siskiyou Humbug Creek Comment
  RSA0024604  Ribes roezlii M. B. Dunkle 1945-7-8 9211 Siskiyou Big Rock Basin, Canyon Creek. Klamath National Forest, Marble Mountains. Comment
  HSC60105  Ribes roezlii var. cruentum M. A. Baker 1977-6-27 388 Siskiyou Happy Camp. Comment
  UC165933  Ribes roezlii var. cruentum Geo. D. Butler 1910-6-7 1535 Siskiyou Oro Fino Comment
  HSC73292  Ribes sanguineum Gail Newton 1980-6-20 508 Siskiyou Near Bald Mtn. 1097 Comment
  HSC100037  Ribes velutinum J. P. Smith, & J. O. Sawyer 2010-5-6 12823 Siskiyou Along Rd. 92K02, E of Copco. 778 Comment
  HSC44981  Ribes viscosissimum J. O. Sawyer 1978-6-21 3284 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  UC618601  Ribes viscosissimum W. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail Mount Shasta Comment
  RSA0020920  Ribes viscosissimum Frederick W. Oettinger 1969-7-9 934 Siskiyou Northwest of Upper English Lake. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC99213  Romanzoffia sitchensis Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  RSA29463  Rorippa columbiae J. William Thompson 1936-7-8 13148 Siskiyou Lava slopes of Lava Beds Nat l Monument. Comment
  UCD40868  Rorippa columbiae Paul A. Rude 1984-6-26 s.n. Siskiyou Vicinity of Tule Lake. Comment
  CAS-BOT-BC74658  Rorippa curvisiliqua John Thomas Howell 1939-8-5 15064 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CHSC9503  Rosa bridgesii J. F. Goodwin 1971-7-3 140 Siskiyou North side of road on hillside, 8.2 mi. south of Mt. Shasta Ski Bowl area. 1524 Comment
  POM88252  Rosa californica Geo. D. Butler 1909-9-26 973 Siskiyou Yreka Creek. Comment
  RSA105510  Rosa eglanteria G. D. Barbe 1953-6-27 3 Siskiyou 0.8 miles N of Callahan near Hjertagers' Mill. 976 Comment
  CAS-BOT-BC146736  Rosa gymnocarpa A. A. Heller 1915-8-24 12203 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC146739  Rosa gymnocarpa Alice Eastwood 1912-8-28 1936 Siskiyou Cantara Comment
  CAS-BOT-BC146746  Rosa gymnocarpa Alice Eastwood 1912-7-15 1079 Siskiyou McCloud Comment
  HSC31805  Rosa gymnocarpa Steve Selva, Roger Jensen 1974-8-26 55 Siskiyou Sugar Lake trail Comment
  HSC61513  Rosa gymnocarpa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  RSA300567  Rosa nutkana John Dourley, Walter Wisura 1982-10-15 3871 Siskiyou Near fish hatchery on W side of town of Mt. Shasta. 1067 Comment
  CAS-BOT-BC147064  Rosa pisocarpa Geo. B. Grant 1902-9-13 s.n. Siskiyou Dunsmuir Comment
  JEPS127707  Rosa pisocarpa Dean W. Taylor 1996-7-7 15822 Siskiyou Klamath National Forest. Scott Mountains; Highway 3 about 3 miles south of Scott Mountain Pass. Comment
  RSA78997  Rosa pisocarpa E. K. Balls, Percy C. Everett 1952-10-13 18185 Siskiyou 3.6 miles SW of turn off to Ney Springs on road from town of Mt. Shasta to Castle Lake. 1524 Comment
  JEPS82988  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek; Siskiyou Mts., Bear Creek off West Fork Beaver Creek 1767 Comment
  CAS-BOT-BC147985  Rubus leucodermis Doris K. Kildale 1929-7-20 8681 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  JEPS44776  Rubus leucodermis W. L. Jepson July 1894 13881 a Siskiyou Sisson Mt. Shasta, Sisson Comment
  UCSC000370  Rubus leucodermis I. J. Condit 2009-8-23 s.n. Siskiyou near Sisson Sisson - Castle Lake 1829 Comment
  HSC44380  Rubus parviflorus Maralyn O'Meara 1973-6-25 235 Siskiyou Music Creek 1463 Comment
  UC224268  Rubus parviflorus H. E. Brown June 1-10, 1897 312 Siskiyou near Sisson; near Sisson 1083 Comment
  LA208252  Rubus ursinus Louis C. Wheeler; 1934-6-29 2824 Siskiyou Siskiyou Mountains, Open N. slope, Soda Creek, Sterling Mt.; Mt. Diablo Mer 1280 Comment
  CAS-BOT-BC363171  Rudbeckia californica A. A. Heller 1914-8-28 11731 Siskiyou East side of Mt. Eddy 1524 Comment
  HSC61453  Rudbeckia glaucescens Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  JEPS25872  Rudbeckia klamathensis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7445 Siskiyou just above Indian Creek Ranger Station (along Happy Camp-Takilma road) 609 Comment
  HSC98390  Rumex acetosella J. O. Sawyer 1969-7-16 1143 Siskiyou W of Waterdog Lake 2073 Comment
  JEPS39939  Rumex occidentalis W. L. Jepson 1914-8-13 5799 Siskiyou Marshes at Sisson Sisson 1097 Comment
  UC441328  Sagittaria cuneata H. W. Furlong Sept. 1901 Siskiyou Summit to Ager; Summit to Ager Comment
  HSC79090  Sagittaria cuneata Paul Wilson 1984-8-26 350 Siskiyou Juanita Lake Reservoir, edge of lake 1555 Comment
  HSC22192  Salix eastwoodiae J. O. Sawyer 1969-7-24 1476 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC22195  Salix eastwoodiae J. O. Sawyer 1969-8-4 1919 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  POM106927  Salix exigua Geo. D. Butler 1908-6-25 150 Siskiyou Near Yreka. Comment
  HSC43051  Salix exigua var. hindsiana Ken Stillman 1976-8-24 442 Siskiyou Along Klamath River at Williams Point. 366 Comment
  CAS-BOT-BC107783  Salix hindsiana Wm. Bridge Cooke 1940-6-20 15156 Siskiyou Along the Klamath River along the Pacific Highway in the Klamath River gorge 609 Comment
  HSC86429  Salix jepsonii D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  RSA105507  Salix laevigata G. D. Barbe 1955-6-28 6 Siskiyou 0.8 mile N of Callahan near Hjertagers' Mill. 976 Comment
  LA208812  Salix lasiandra Louis C. Wheeler; 1934-7-5 2893 Siskiyou Siskiyou Mts, Hungry Creek, Mt Diablo Mer 1371 Comment
  UC144310  Salix lasiandra subsp. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson Comment
  UC482253  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou ca. 16 km. n.w. Shasta City (stream above Metcalf ranch house, n.e. side Mt. Eddy); Mt. Eddy 1425 Comment
  CAS-BOT-BC125480  Salix lasiandra var. lasiandra L. E. Smith 1913-4-2 621 Siskiyou Sisson Comment
  UCD111532  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC576394  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 833 Siskiyou 8-9 mi. n.w.of Mt. Shasta City (Wagon Creek above Metcalf ranch house); e. side Mt. Eddy 1203 Comment
  UCR133523  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou North side of Mount Eddy, about 21 km northwest of Shasta City, below Dobkins Lake 1650 Comment
  CAS-BOT-BC125683  Salix melanopsis L. E. Smith 1914-7-6 751 Siskiyou Cantara Comment
  CAS-BOT-BC125693  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou Flume Creek, tributary of Pit River, near highway at Flume Creek Camp 555 Comment
  CAS-BOT-BC129038  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 443 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  CAS-BOT-BC129048  Salix scouleriana W. R. Dudley 1907-8-18 s.n. Siskiyou Meadow near Jackson's Lake Comment
  CDA119  Salix scouleriana D. G. Kelch 2007-7-25 7 .5 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  POM219899  Salix scouleriana H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mt Eddy. About 10 km NW of Shasta City. E of Metcalf ranch house. 1080 Comment
  SD880  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, about 10 km northwest of Shasta City, east of Metcalf Ranch House 1079 Comment
  CDA39589  Salix scouleriana T. C. Fuller 1960-6-3 4616 Siskiyou Four miles north of Harris Springs Guard Station, 14 miles north of Bartle. 0 Comment
  RSA15788  Salsola tragus C. B. Wolf 1927-8-26 1014 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  CAS-BOT-BC236483  Sambucus racemosa subsp. racemosa Annetta Carter 1939-8-21 1479 Siskiyou Southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2042 Comment
  UC1333332  Sambucus racemosa var. microbotrys Dorothy Parker 1949-8-12 364 Siskiyou Duck Lake Creek Siskiyou Mountains, Salmon Mountain (along banks) 1524 Comment
  SEINET3103512  Sambucus racemosa var. racemosa Steve Selva, Roger Jensen 1974-8-26 61 Siskiyou Collected along road 8 to Sugar Creek trail. Approx. 2 miles from highway 3. Comment
  UC164236  Sanguisorba annua Geo. D. Butler 1900-6-3 1468 Siskiyou Quartz Valley Comment
  RSA123783  Sanguisorba minor G. D. Barbe 1953-7-5 97 Siskiyou 11 miles S of Etna on French Creek 1067 Comment
  HSC19455  Sanicula graveolens J. O. Sawyer 1969-7-11 1324 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  SEINET13945236 Image available Sanicula nevadensis Lincoln Constance, Ren Hwa Shan 1946-1 3059 Siskiyou East bank of Sacramento River at Dunsmuir, alt. 2300 ft 701 Comment
  UC166119  Saponaria officinalis Geo. D. Butler 1908-7-9 1059 Siskiyou near Yreka Comment
  CAS-BOT-BC110340  Sarcobatus vermiculatus Louis C. Wheeler 1934-10-21 3333 Siskiyou Shasta Valley 4 miles east Grenada. 868 Comment
  RSA269281  Saussurea americana T. C. Fuller, D. H. Shaw 1974-9-24 20045 Siskiyou Headwaters of Horse Creek, SW slope of White Mountain, Siskiyou Mountains. Comment
  JEPS47520  Saxifraga aprica Harley P. Chandler June, 1901 1675 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  RSA215597  Saxifraga aprica Gilbert Muth 1969-8-10 1323 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  UC56718  Saxifraga aprica Harley P. Chandler June, 1901 1675 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  JEPS25834  Saxifraga ferruginea Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7448 Siskiyou about 12 air line mi nw Happy Camp (Poker Flat); Siskiyou Mts., Poker Flat 1524 Comment
  JEPS47637  Saxifraga oregana Harley P. Chandler June, 1901 1548 Siskiyou Klamath River to Marble Mountain; North Coast Ranges, Klamath River 1828 Comment
  POM259289  Saxifragopsis fragarioides John T. Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA239119  Schedonorus pratensis Frederick W. Oettinger 1969-8-16 1402 Siskiyou Wire Grass Meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD21464  Scirpus congdonii Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1204 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  SEINET3915118  Scirpus validus K. Morris, Conrad; Dunn 1973-6-2 347 Siskiyou Found at the junction of Shasta and Klamath River on Hwy 263.; 0 Comment
  CHSC106096  Sclerochloa dura Lowell Ahart; John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CHSC86652  Scutellaria antirrhinoides Jenny Marr 1993-7-1 35 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS94857  Scutellaria antirrhinoides Vernon H. Oswald and Lowell Ahart 1998-8-3 9417 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Gazelle-Callahan Road; Kangaroo Lake Road 1554 Comment
  JEPS95565  Scutellaria antirrhinoides Vernon H. Oswald and L. Ahart 1994-7-11 6406 Siskiyou T39N R5W SW1/4 SE1/4 Sec. 16, 4750 ft, Yellow Pine Forest. Forest Rd. 26 (to Mt. Shasta) paralleling the South Fork of the Sacramento River, just W of Forest Rd. 40N43, 9.2 mi SW of the dam at Lake Siskiyou. In rocks at the base of a steep roadcut. 1447 Comment
  UC1282010  Scutellaria antirrhinoides Louise Kellogg Aug 5 1953-Aug 7 1953 106 Siskiyou 1 mi n of Cory Peak (11 mi e of Callahan on road to Gazelle, then s 5.8 mi on logging road, Cabin Meadow); Scott Mountains, Klamath National Forest, Cabin Meadow 1844 Comment
  POM63093  Scutellaria antirrhinoides E. B. Copeland 1903-7-2 3530 Siskiyou Klamathon Comment
  RSA60645  Scutellaria antirrhinoides Rodney Gregg 1948-08 s.n. Siskiyou Gazelle Mountain 1220 Comment
  SD98954  Scutellaria antirrhinoides Darley F. Howe 1977-7-1 Siskiyou Scott Mountain Creek, Scott Mountains. 1219 Comment
  HSC36812  Secale cereale J. P. Smith 1974-5-27 7622 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC64647  Sedum kiersteadiae E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy 2133 Comment
  UC1409249  Sedum laxum subsp. heckneri Frederick W. Oettinger 1968-8-16 535 Siskiyou n Hancock Lake (near summit Little Medicine Mountain, Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, western Siskiyou); Salmon Mountains, nr summit Little Medicine Mountain 2103 Comment
  RSA0076441  Sedum laxum subsp. laxum C. B. Wolf 1927-8-27 1142 Siskiyou Mouth of Crawford Creek, Klamath River. Comment
  RSA0104951  Sedum laxum subsp. laxum John F. Emmel 1974-7-16 512 Siskiyou 0.3 air miles WSW of Cyclone Gap; Siskiyou Mts. 1616 Comment
  CHSC96164  Sedum obtusatum subsp. boreale L. P. Janeway 2006-7-3 8772 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  HSC19546  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-8-4 1850 Siskiyou S of Sugar Lake 2134 Comment
  RSA264941  Sedum oregonense G. L. Clifton 1975-7-28 9943 Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  UC144331  Sedum spathulifolium A. A. Heller 1905-6-1 7932 Siskiyou between Dunsmuir and Upper Soda Spring; between Dunsmuir and Upper Soda Spring Comment
  UC205173  Sedum spathulifolium Lewis C. Rosenbaum June 1916 Siskiyou Shasta Springs Comment
  SJSU6063  Sedum spathulifolium R. W. Trivelpiece 1971-6-8 22 Siskiyou E Fork of S Fork Salmon R near Cecilville, Salmon R Mts 822 Comment
  HSC64818  Sedum spathulifolium var. spathulifolium J. P. Smith 1976-5-5 8688 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  UC1191515  Sedum stenopetalum Herbert L. Mason 1948-7-18 13627 Siskiyou Grass Lake Comment
  UC1971489  Selaginella wallacei Louis C. Wheeler 1958-8-19 7400 Siskiyou Seiad Creek Mine. Comment
  CAS-BOT-BC363418  Senecio aronicoides A. A. Heller 1905-6-15 8029 Siskiyou Near Sisson Comment
  HSC69260  Senecio aronicoides J. O. Sawyer`, J. Cole 1980-7-20 3744 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  CAS-BOT-BC364091  Senecio integerrimus var. ochroleucus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1756 Siskiyou Summit of Siskiyou Mts., 2 1/2 miles northwest of Dry Lake Lookout Comment
  HSC61999  Senecio triangularis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC1409235  Senecio triangularis Frederick W. Oettinger 1968-8-1 343 Siskiyou s Hancock Lake (high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  UC196947  Setaria viridis Geo. D. Butler 1910-8-13 1834 Siskiyou Quartz Valley Comment
  UCR66584  Sibbaldia procumbens L. C. Wheeler 1934-8-2 3018 Siskiyou Siskiyou Mtns, Alex hole, Alex Canyon 1890 Comment
  JEPS105152  Sidalcea asprella Dean W. Taylor 1993-7-30 13987 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 mi E of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  JEPS22217  Sidalcea asprella subsp. nana Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6827 Siskiyou just below and n of road summit of Scott Mountain Road between Callahan and Trinity Center ([at Trinity County line]); Scott Mountain Road btw Callahan and Trinity Center 1615 Comment
  UC705503  Sidalcea malviflora subsp. asprella Marion Ownbey, Fred G. Meyer 1940-7-8 2227 Siskiyou 21 mi n Happy Camp (summit of Siskiyou Mountains); , n of Happy Camp Comment
  RSA0048462  Sidalcea oregana Geo. E. Julian 1962-7-20 s.n. Siskiyou Mt. Shasta. Comment
  UC108851  Sidalcea oregana subsp. oregana T. S. Brandegee 1887-7-1 Siskiyou Sisson's Comment
  UC454909  Sidalcea oregana subsp. oregana I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Shasta Retreat (dry bank by R.R.) Comment
  JEPS67299  Sidalcea oregana subsp. spicata W. L. Jepson 1937-7-23 18457 Siskiyou Yreka Comment
  UCD13282  Sidalcea oregana subsp. spicata K. F. Mawdsley 1996-7-10 14 Siskiyou California, Siskiyou County. From Castle Lake Trailhead to Little Castle Lake, T 39N R 4W, NW 1/4 of Section 19, Seven Lakes Basin 7.5 topo. Elevation 5450. Comment
  JEPS51013  Silene campanulata W. L. Jepson 1907-7-6 2855 Siskiyou ridge above Cudahay Valley (Marble Mt. region); , Cudahay Valley Comment
  JEPS84221  Silene campanulata subsp. glandulosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6365 Siskiyou ca 7 mi nne Seiad Valley (ca 1/2 mi e of Red Butte summit, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass 1900 Comment
  CAS-BOT-BC181190  Silene campanulata subsp. glandulosa Doris K. Kildale 1929-5-31 9170 Siskiyou South Fork Salmon River at Cecilville Comment
  HSC68019  Silene campanulata subsp. greenei J. P. Smith 1973-5-5 6370 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  JEPS50923  Silene dichotoma Geo. D. Butler 1909-8-17 961 Siskiyou field enar Yreka; Field near Yreka Comment
  RSA211453  Silene douglasii William J. Ferlatte 1967-8-21 1069 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2287 Comment
  CAS-BOT-BC388965  Silene grayi Copeland 1903-9-7 3853 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC388966  Silene grayi Robert F. Thorne; Fred Oettinger 1969-8-10 39001 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  CAS-BOT-BC388969  Silene grayi K. T. Stillman 1976-8-7 173 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  CHSC34499  Silene grayi J. D. Jokerst 1981-9-8 1465 Siskiyou Comment
  RSA438858  Silene grayi M. B. Dunkle 1945-1 9313 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  SEINET10537583  Silene grayi Mary Susan Taylor 1980-8-19 Taylor 3268 Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  HSC19441  Silene lemmonii J. O. Sawyer 1969-6-11 831 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  HSC57648  Silene lemmonii Marvin Butler 1971-8-11 276 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1769 Comment
  HSC41680  Silene marmorensis J. O. Sawyer, Ken Stillman 1976-7-1 2762 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CAS-BOT-BC389527  Silene menziesii Geo. D. Butler 1909-6-10 967 Siskiyou Near Yreka Comment
  CAS-BOT-BC94426  Silene menziesii R. C. Wenk 2005-7-16 254 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1499 Comment
  UC618766  Sisymbrium altissimum W. Bridge Cooke 1938-8-19 11525 Siskiyou Mount Shasta, Lower Bear Spring Lower Bear Spring; Mount Shasta, Lower Bear Spring 1524 Comment
  RSA113633  Sisymbrium altissimum R. McP Brown 1956-7-20 s.n. Siskiyou Lava Beds National Monument, Captain Jack s Stronghold. Comment
  SEINET11572877  Sisymbrium altissimum E. K. Balls 1950-5-17 14723 Siskiyou Lava Beds National Monument, New Lava Flow, along road from Schochin Butte to Captain Jacks Stronghold. 1463 Comment
  JEPS80495  Smilacina stellata Gilbert Muth 1966-7-8 365 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  SEINET6630420  Smilax californica G. D. Butler 1910-1 1466 Siskiyou Quartz Valley Comment
  JEPS62162  Smilax jamesii Geo. D. Butler 1908-8-5 146 Siskiyou camp below Cold Spring; Woolly Creek 1676 Comment
  UC1409319  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou outlet of Abbott's Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1722 Comment
  UC30091  Smilax jamesii Harley P. Chandler June, 1901 1625 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  HSC45046  Solanum parishii J. O. Sawyer 1978-6-20 3261 Siskiyou Marble Mtn. Wilderness; W of Abbot's Upper Cabin, N Fork Trail 1524 Comment
  UCD126994  Solanum physalifolium var. nitidibaccatum A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  UC163710  Solanum umbelliferum Geo. D. Butler 1908-8-3 18 Siskiyou Log Lake, Shackleford Creek Log Lake; , Shackleford Creek Comment
  UC485631  Solidago confinis Geo. B. Grant Sep 1902 5063 Siskiyou South part of California, Valley 304 Comment
Read comments
Aug 7 2012
  CAS-BOT-BC365581  Solidago elongata Louis C. Wheeler 1934-9-2 3240 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  UC88189  Solidago elongata Katharine Curran Jul 1887 Siskiyou Edgewood Comment
  CAS-BOT-BC339860  Solidago multiradiata A. A. Heller 1918-7-16 13029 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  UC609352  Solidago multiradiata Eleanor Burks Hart 1938-8-16 947 Siskiyou edge Lower Wright Lake 2072 Comment
  CAS-BOT-BC365250  Solidago velutina subsp. californica Carl B. Wolf 1927-8-26 1015 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  JEPS24618  Solidago velutina subsp. californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6771 Siskiyou in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs; upper Sacramento River Canyon, along S. P. (Shasta Route) ra 731 Comment
  UCD136122  Sonchus arvensis T. C. Fuller 1963-8-27 11162 Siskiyou south side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge. Around 12 miles west of Hatfield. Comment
  RSA237828  Sorbus californica Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1276 Siskiyou SE end of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  HSC18982  Sorbus scopulina J. O. Sawyer 1969-8-4 1896 Siskiyou Above S Sugar Lake 2043 Comment
  CAS-BOT-BC390714  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  CAS-BOT-BC390721  Spergularia rubra Gilbert Muth 1966-7-14 391 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  HSC29624  Spergularia rubra Frederick W. Oettinger 1968-9-3 674 Siskiyou Marble Mtn. Wilderness Area, SE of Horse Range Lake 1829 Comment
  UC722698  Spiraea densiflora C. L. Hitchcock and J. S. Martin 1939-7-7 5272 a Siskiyou ca 12 mi s Takilma, Oregon (Sanger Peak Trail, 1 mi s of Camp Chicago); Siskiyou Mts. 1432 Comment
  RSA68945  Spiraea densiflora var. splendens A. E. Culbertson 1943-7-8 13 Siskiyou E shore of Castle Lake, 5434'. 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mtns. 2000' above Sacramento River. Within 10 air miles of its headwaters to the W. Comment
  HSC29386  Spiraea douglasii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1213 Siskiyou Marble Mtn. Wilderness Area, Young's Cabin on English Lake trail towards Abbotts 1463 Comment
  HSC81747  Spiraea splendens var. splendens Thomas W. Nelson, Jane P. Nelson 1980-7-20 6187 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS101600  Stachys ajugoides Dean W. Taylor 1999-8-12 17303 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  RSA184657  Stachys emersonii Clare B. Hardham 1965-8-20 13013 Siskiyou Marble Mountains, Granite Trail, near Cudahy Lakes 1220 Comment
  HSC27218  Stachys mexicana J. P. Smith, J. O. Sawyer 1971-9-17 4790 Siskiyou Horse Range Creek drainage along road. Comment
  HSC63577  Stachys rigida J. P. Smith, Steve Selva 1970-7-27 4503 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  UC8681  Stellaria longipes var. longipes C. B. Bradley 1879-1 Siskiyou Comment
  UC375341  Stellaria media Geo. D. Butler 1908-7-10 539 Siskiyou Yreka Comment
  UC1265673  Stenanthium occidentale Rolf Y. Berg 1980-6-25 Siskiyou Horsetail Falls Klamath River Region (on road from Seiad Valley to Cook and Green Pass) Comment
  HSC74923  Stenanthium occidentale J. P. Smith 1978-7-2 9962 Siskiyou Along the Rd. to Cook and Green Pass (48N02), 2.9 mi. N of Seiad Creek, Klamath National Forest 1067 Comment
  HSC77094  Stenanthium occidentale K. T. Stillman 1976-8-7 364 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  JEPS36869  Stephanomeria lactucina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mt. Shasta Region of the Upper Sacramento Comment
  RSA237476  Stephanomeria lactucina Frederick W. Oettinger, R. F. Thorne 1969-8-5 1195 Siskiyou Dry trail on way to Abbotts. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1677 Comment
  CAS-BOT-BC375665  Stephanomeria paniculata Alice Eastwood 1912-9-4 2096 Siskiyou Sisson Comment
  HSC6226  Stephanomeria tenuifolia D. M. Thomson 1965-8-14 188 Siskiyou California Lava Beds National Monument; Caldwell Butte, on the S side Comment
  RSA15798  Stephanomeria virgata C. B. Wolf 1927-8-26 1040 Siskiyou On the Klamath River, 4 mi N of Gottville. Comment
  HSC98333  Stipa lemmonii J. O. Sawyer 1969-6-12 904 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC18976  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-20 1568 Siskiyou SE facing slope near the N fork of Sugar Creek 1753 Comment
  SACT002412  Stipa stillmanii Verne Grant, Irving Schneider 1947-8-26 Siskiyou On lava plateau Comment
  CHSC67485  Streptanthus barbatus James D. Jokerst 1992-7-30 3426 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [No additional location data; W of Interstate 5? V. Oswald]. Comment
  CAS-BOT-BC87848  Streptanthus tortuosus John Thomas Howell 1939-8-2 14891 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC87849  Streptanthus tortuosus A. A. Heller 1916-6-23 12433 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC87854  Streptanthus tortuosus Ira L. Wiggins; Dorothy B. Wiggins 1961-6-15 16492 Siskiyou At quarry on Glass Mountain. Comment
  POM203465  Streptanthus tortuosus Alice Eastwood, J. T. Howell 1934-4-20 1773 Siskiyou Junction of Klamath and Shasta Rivers. Comment
  UC1190144  Streptanthus tortuosus Ira L. Wiggins 1955-6-27 13523 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1492808  Streptanthus tortuosus Freed W. Hoffman 1950-7-14 3382 Siskiyou Clear Creek Trail near Baldy Lookout (w Siskiyou Co.) Comment
  CHSC66539  Streptanthus tortuosus var. orbiculatus Vernon H. Oswald 1996-7-12 8007 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) on Mt. Shasta 0.1 mi W of the road to Sand Flat (between mileposts 9 and 10). Roadside. 2042 Comment
  UC70401  Streptanthus tortuosus var. orbiculatus Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  HSC60660  Streptanthus tortuosus var. tortuosus J. P. Smith, Steve Selva 1970-6-15 3928 Siskiyou 5 mi. NW of Forks of Salmon 335 Comment
  JEPS97194  Streptopus amplexifolius var. americanus Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95054 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  RSA577888  Stuckenia pectinata L. C. Wheeler 1935-6-23 3592 Siskiyou Shasta River 2 mi. NW Montague. 762 Comment
  UC1191399  Suaeda calceoliformis Verne Grant and Irving Schneider 1947-8-26 8300 Siskiyou Lower Klamath Lake; flats by Interstate Highway Comment
  CAS-BOT-BC245845  Symphoricarpos W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake, Salmon Mts. Comment
  CAS-BOT-BC245849  Symphoricarpos Doris K. Kildale 1928-7-4 5523 Siskiyou Summit of divide between Salmon River and Scott Valley in Sawyers Bar-Etna Road Comment
  HSC26922  Symphoricarpos albus var. laevigatus J. P. Smith, J. O. Sawyer 1971-9-18 4845 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  JEPS95607  Symphoricarpos albus var. laevigatus Vernon H. Oswald and L. Ahart 1994-8-10 6460 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle 1359 Comment
  CAS-BOT-BC234785  Symphoricarpos mollis Wm. Bridge Cooke 1938-7-22 11347 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CAS-BOT-BC234796  Symphoricarpos mollis Alice Eastwood 1912-9-4 2102 a Siskiyou Sisson Comment
  UC28686  Symphoricarpos mollis var. acutus C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC97884  Symphyotrichum eatonii Louis C. Wheeler 1934-9-19 3284 Siskiyou Klamath National Forest, Walker 518 Comment
  CAS-BOT-BC97947  Symphyotrichum frondosum Geo. D. Butler 1910-9-13 1873 Siskiyou Butte Valley 1280 Comment
  UC1408809  Symphyotrichum spathulatum Robert F. Thorne and Fred Oettinger 1969-8-10 38972 Siskiyou Panther Creek Meadows, dryer portion of mdw along small cr Mt. Shasta National Forest, Mt. Shasta, Panther Creek Meadow (s slope of Mt Shasta) 2194 Comment
  UC1222979  Symphyotrichum spathulatum Joseph P. Tracy 1949-9-16 18572 Siskiyou on rd between Callahan and Trinity Center Callahan (at the top on the n side of Scott Mtn); Scott Mountain 1615 Comment
  CHSC91244  Taraxacum officinale Lowell Ahart; John Dittes 2005-6-10 12081 Siskiyou South edge of pasture, east of a poor dirt road, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC44883  Taxus brevifolia Maralyn O'Meara 1974-5-25 393 Siskiyou Along road to Duck Lakes trail 1402 Comment
  UC858887  Tellima grandiflora John Thomas Howell 1939-8-3 14974 Siskiyou Spirit Lake; Marble Mts. 1828 Comment
  RSA184720  Thalictrum polycarpum Gilbert Muth 1966-7-17 408 Siskiyou Trail to lookout, Marble Mtns, Siskiyou county. Comment
  CAS-BOT-BC77744  Thelypteris nevadensis W. B. C. 1956-7-16 30292 Siskiyou Above Hotlum Station, north side of Mount Shasta 1676 Comment
  HSC64820  Thysanocarpus curvipes J. P. Smith 1976-5-5 8687 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  CAS-BOT-BC447585  Tiarella trifoliata var. unifoliata Doris K. Kildale 1929-7-21 8736 Siskiyou Elk Lick, s. fork of Indian Creek 1219 Comment
  SEINET12044516  Tofieldia glutinosa J. T. Howell 1937-1 13371 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA237928  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1968-8-1 340 Siskiyou South side of Little Hancock Lake. The Salmon Mountains. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 2043 Comment
  SBBG27137  Tonella tenella L. C. Wheeler 1936-5-5 3460 Siskiyou Greenhorn Crk, on N slope 853 Comment
  CDA7718  Tragopogon dubius T. C. Fuller 1965-6-1 13590 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  UC160925  Trautvetteria caroliniensis var. occidentalis Harley P. Chandler June, 1901 1601 Siskiyou near Marble Mountain (North Coast Ranges); North Coast Ranges 1828 Comment
  HSC60915  Triantha occidentalis subsp. occidentalis Al Hobart Siskiyou Black Butte Comment
  JEPS2898 Image available Trichostema simulatum Dr. E. B. Copeland 1903-7-2 3534 Siskiyou Klamathon Comment
  UC61693  Trientalis latifolia Geo. B. Grant 1902-9-1 5245 Siskiyou Mount Shasta, Shasta Springs Shasta Springs; Pacific Coast, Mount Shasta, Shasta Springs 609 Comment
  UCD143686  Trifolium cyathiferum R. Tofsrud 1948-8-1 s.n. Siskiyou Poker Flat; between Happy Camp and O'Brien, Oregon. Comment
  UCD107926  Trifolium eriocephalum subsp. eriocephalum A. H. Murphy 1958-8-4 58 -E Siskiyou Klamath National Forest. Little Elk Lake Marble Mts. 1676 Comment
  UCR256430  Trifolium hirtum Barbara L. Wilson, Caitlin Coberley 2011-6-16 16251 Siskiyou north edge of rest area on Hwy I-5 southbound, north of the town of Weed 888 Comment
  CAS-BOT-BC219036  Trifolium howellii K. T. Stillman 1976-7-31 355 Siskiyou Marble Mountain Wilderness Area. Ridge north of Jump off. Seep 1/2 mi. south of Paradise Lake Comment
  CAS-BOT-BC219039  Trifolium howellii John Thomas Howell 1939-8-7 15118 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC69726  Trifolium howellii Maralyn A. Renner 1980-7-15 1780 Siskiyou English Lake inlet 1780 Comment
  JEPS98770  Trifolium howellii Dean W. Taylor 1996-6-19 15712 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  RSA184746  Trifolium howellii Gilbert Muth 1966-7-24 445 Siskiyou Marble Valley along creek, Marble Mountains. 1793 Comment
  RSA237887  Trifolium howellii Frederick W. Oettinger 1968-7-17 557 Siskiyou Pine Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  HSC76634  Trifolium longipes K. T. Stillman 1976-6-25 34 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  HSC30417  Trifolium longipes Frederick W. Oettinger 1968-8-17 553 Siskiyou Salmon Mountains: N to NW of Pine Lake 1860 Comment
  UC149765  Trifolium longipes var. elmeri Milo S. Baker 1899-7-1 Siskiyou Ash Creek, e slope Mt. Shasta Comment
  UC454732  Trifolium longipes var. hansenii I. J. Condit 1911-7-27 Siskiyou near Sisson (Castle Lake) 1828 Comment
  HSC93002  Trifolium productum Jennifer Whipple 1977-8-6 2236 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  POM28041  Trifolium productum Geo. D. Butler 1910-7-9 1721 Siskiyou Marble Mountain. 1829 Comment
  UC1045248  Trifolium repens William Bridge Cooke 1940-7-5 15234 Siskiyou Bear Springs meadow Mount Shasta 1524 Comment
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Mar 31 2006
  UC165558  Trifolium repens J. Burtt Davy 1902-6-15 Siskiyou Sisson Comment
  JEPS75658  Trifolium wormskioldii Geo. D. Butler 1909-6-26 915 Siskiyou McNutty's Field near Yreka Comment
  UC164381  Trillium albidum Geo. D. Butler 1910-4-25 1242 Siskiyou Scott R. Comment
  UC30088  Trillium ovatum Harley P. Chandler June, 1901 1550 Siskiyou Ridges and meadows near Marble Mountain, 10 ft from melting snow 1828 Comment
  UCD139920  Trillium ovatum subsp. oettingeri Maralyn A. O' Meara 1973-6-25 240 Siskiyou North Russian Creek, 1/2 mile south of Etna Summit on road from Sawyer's Bar to Etna. 1706 Comment
  RSA234822  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-16 1035 Siskiyou West bank of Abbott Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD93504  Trisetum canescens Beecher Crampton 1956-8-21 3813 Siskiyou 15-16 miles southwest of city of Mount Shasta City, above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  HSC18985  Trisetum spicatum J. O. Sawyer 1969-7-24 1463 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC71074  Triteleia bridgesii M. A. Baker 1980-6-20 2196 Siskiyou Near Bald Mtn. 275 Comment
  HSC46197  Triteleia crocea Jennifer Whipple 1976-5-2 902 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  CHSC86645  Triteleia hyacinthina Jenny Marr 1993-7-1 28 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC91995  Triteleia hyacinthina Jennifer Whipple 1976-7-13 1454 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  POM109809  Triteleia hyacinthina Geo D. Butler 1910-5-27 1415 Siskiyou Shasta Valley Comment
  UC161221  Triteleia ixioides subsp. anilina I. J. Condit 1911-7-27 Siskiyou Castle Lake 1828 Comment
  SEINET200218  Triteleia ixioides subsp. anilina Francia Chisaki, Gene B. Newcomb 1958-6-21 1151 Siskiyou Squaw Valley Creek on road to ice cavesnorth of McCloud 1158 Comment
  CHSC27347  Tsuga mertensiana T. B. Devine 1976-10-23 365 Siskiyou 1/8 mi ne of Little Duck Lake. 1950 Comment
  RSA571786  Tsuga mertensiana L. C. Wheeler 1934-9-1 3237 Siskiyou Mud Springs, Middlehell Creek. 1890 Comment
  UC1223744  Tsuga mertensiana J. M. Tucker 1963-7-8 3734 Siskiyou ca 1 mi n Marble Valley (e side of Black Mountain); Marble Mountain Wilderness Area, Black Mountain 1981 Comment
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Jun 25 2013
  UC1240171  Typha latifolia Verne Grant and Irving Schneider 1947-8-25 8284 Siskiyou near road to Lava Beds w side Tule Lake; w side of Tule Lake near road to Lava Beds Comment
  CAS-BOT-BC91275  Umbellularia californica Marion Ownbey; Fred G. Meyer 1940-7-8 2223 Siskiyou Along Indian Creek, 12 miles above Happy Camp. Comment
  UC705620  Umbellularia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2223 Siskiyou 12 mi above Happy Camp (along Indian Creek); Indian Creek Comment
  UC719049  Umbellularia californica F. G. Meyer 1938-4-3 1328 Siskiyou 20 mi n of Redding Comment
  CAS-BOT-BC228828  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-19 1926 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Ca. 100 m S of Cedar Lake along road to Cliff Lake, headwaters of the Sacramento River 1744 Comment
  HSC18867  Vaccinium cespitosum J. O. Sawyer 1968-6-25 288 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC19512  Vaccinium cespitosum J. O. Sawyer 1969-8-3 1731 Siskiyou W of Little Duck Lake 2195 Comment
  HSC19515  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1679 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC761  Vaccinium cespitosum William J. Ferlatte 1966-7-7 205 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC199237  Vaccinium membranaceum Wm. Bridge Cooke 1940-6-6 15032 Siskiyou Along the Castle Lake road Comment
  CHSC89001  Vaccinium membranaceum Gail A. Newton; Steven Harris 1981-7-17 2252 Siskiyou Klamath National Forest. Near the Dillon Divide. 1691 Comment
  HSC19363  Vaccinium membranaceum J. O. Sawyer 1968-6-18 232 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  SEINET3107073  Vaccinium membranaceum Steve Selva, Roger Jensen 1974-8-22 34 Siskiyou Collected along trail from Doe Flat campground to Buck Lake. Comment
  HSC19099  Vaccinium scoparium J. O. Sawyer 1969-6-13 1060 Siskiyou W of Little Duck Lake 2043 Comment
  JEPS80556  Valeriana sitchensis subsp. sitchensis Gilbert Muth 1965-8-6 190 Siskiyou backside of Black Mountain, Marble Mountain Wilderness Area Marble Mountain Wilderness Area; Black Mountain, Marble Mountain Wilderness Area 2042 Comment
  POM259604  Valeriana sitchensis subsp. sitchensis J. T. Howell 1939-8-3 15017 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC73295  Vancouveria planipetala M. A. Baker 1980-6-20 2188 Siskiyou Near Bald Mtn. 1036 Comment
  JEPS62213  Veratrum viride Geo. D. Butler 1908-8-9 535 Siskiyou Salmon Mts., M. M. Camp Comment
  HSC72501  Verbascum blattaria J. P. Smith, Steve Selva 1970-6-17 4093 Siskiyou 12 mi. E of Somes Bar on road between Forks of Salmon and Somes Bar 366 Comment
  UC1045318  Verbena lasiostachys var. lasiostachys W. Bridge Cooke 1940-6-20 15149 Siskiyou along the Pacific Hwy in the Klamath River Gorge Comment
  RSA13898  Verbena lasiostachys var. lasiostachys Louis C. Wheeler 1934-10-11 3315 Siskiyou Siskiyou Mountains: Oak Knoll Ranger Station, Klamath River. 671 Comment
  JEPS16817  Veronica serpyllifolia subsp. humifusa Geo. D. Butler 1908-8-7 47 Siskiyou at head of Woolly Creek Woolly Creek 1676 Comment
  SFV3460  Veronica serpyllifolia subsp. humifusa J. M. Tucker, L. K. Mann 1963-8-17 3744 Siskiyou Marble Mountain Wilderness Area. Beside trail from Red Rock Valley to top of ridge to south, and near top of ridge. 1860 Comm